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Snap Circuits Classic SC-300 Electronics Exploration Kit | Over 300 Projects | Full Color Manual Parts | STEM Educational Toy for Kids 8+ 2.3 x 13.6 x 19.3 inches
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Return this item for free
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Learn more about free returns.- Go to your orders and start the return
- Select your preferred free shipping option
- Drop off and leave!
Purchase options and add-ons
- SO MANY TOYS IN A SNAP: Make dozens of cool electronic gadgets - all from one box! A safe and fun way to introduce children ages 8+ to the basics of electrical engineering! Build exciting projects and toys using the included colorful instruction book!
- AMAZING VALUE: So many projects to make and build! Build over 300 exciting projects with this classic kit! Included 60+ pieces build exciting projects such as AM radios, burglar alarms, doorbells, and much more! You can even play electronic games with your friends.
- GREAT GIFT Give the gift of learning and fun this holiday season! Snap Circuits kits will keep kids busy and having fun all year round. Combine with other Snap Circuits kits for even more projects!
- NO TOOLS NEEDED Elenco Snap Circuits kits include everything you need to start learning immediately - and more. Unlike traditional electronics kits, no soldering or tools are required to build. The numbered and color-coded pieces snap easily onto the included plastic grid. Batteries Required
- AWARD WINNING KITS! We're proud to produce high quality products loved by kids, parents,and educators. Snap Circuits kits have won a number of awards - including the Specialty Toy of the Year Award, Seriously STEM! award, Good Housekeeping's Best Toys, Purdue University's Engineering Gift Guide, National Parenting Center's Seal of Approval, Toy Insider's Top Holiday Toys, placement on the Dr. Toy list of 100 Best Children's Products and placement on the Dr. Toy list of Best Educational products, and the "Stem Approved" Trustmark from Stem.org.
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Product information
Product Dimensions | 15.5 x 12 x 2.5 inches |
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Item Weight | 2.45 pounds |
Country of Origin | China |
ASIN | B0000683A4 |
Item model number | SC-300 |
Manufacturer recommended age | 8 years and up |
Batteries | 4 AA batteries required. |
Best Sellers Rank |
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Customer Reviews |
4.8 out of 5 stars |
Is Discontinued By Manufacturer | No |
Release date | June 12, 2006 |
Department | ToysAndShoes |
Manufacturer | Elenco Electronics LLC |
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Snap Circuits Classic SC-300 Electronics Exploration Kit | Over 300 Projects | Full Color Manual Parts | STEM Educational Toy for Kids 8+ 2.3 x 13.6 x 19.3 inches
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Product Description
Product Description
Let your child have endless fun learning to build circuits with these colorful electronic Snap Circuits. Each one features more than 60 parts that easily snap together. The Snap Circuits Classic can be used to make interesting circuits, encouraging educational play that teaches your future engineer about electricity. All of the parts have colored graphics that represent their real electronic names and symbols. This educational toy comes with a complete instruction manual and project guide that helps you to guide your child through exploring over 300 experiments. Some of the projects include making circuits for doorbells, radios, alarms, flash lights, laser light, street lamps, a lie detector and a fan Modulator. This kids' Snap Circuits toy runs on four AA batteries that are sold separately. It is ideal for children age 8 years and older. Snap Circuits Classic comes with over 60 parts to create 305 different electronic projects. The parts, which include snap wires, a slide switch, a resistor, a microphone, and capacitors, snap together easily onto the included plastic grid-no soldering required. Each part is numbered and color-coded to make identifying them easy. These parts combine to create working circuit boards just like the ones found inside televisions, radios, and other electronic devices. With its easy-to-follow instructions, Snap Circuits gives your child a hands-on education in how electrical circuits run the everyday devices that they're familiar with. They'll also gain valuable lessons in building and in following instructions. The project manuals include large color illustrations and simple directions for each project. the projects are arranged in order of complexity, kids can build on their skills as they progress through the manual. The lessons start out with a simple electric light and switch project that demonstrates how electricity is turned on and off with a switch. Further along, kids can put together a fire fan symphony, a water-detection alarm, a delayed-action fan, and more. Once children have mastered several of the techniques introduced in this kit, They can use the parts to experiment and create their own customized circuits and electronic devices. Snap Circuits SC-300 requires four AA batteries, which are not included. What's in the box: plastic snap-grid, 61 electrical parts, and 1 Project manual containing projects 1-150. Projects 151-305 available as download.
Amazon.com
Give your child an exciting, hands-on introduction to electronics with Elenco Electronics Snap Circuits SC-300. This kit contains over 60 color-coded, real circuit components that snap together to create working electronic circuits and devices. Recommended for children 8 and older, this set offers 305 do-it-yourself projects that will give your child an entertaining, concrete education on how electronics work.
Create Working Electronic CircuitsSnap Circuits comes with over 60 pieces to create 305 different electronic projects. The pieces, which include snap wires, a slide switch, a resistor, a microphone, and capacitors, snap together easily onto the included plastic grid--no soldering required. Each piece is numbered and color-coded to make identifying them easy. These components combine to create working circuit boards just like the ones found inside televisions, radios, and other electronic devices.
Simple, Fun Projects Let Kids Learn While They Play
With its easy-to-follow instructions, Snap Circuits gives your child a hands-on education in how electrical circuits run the everyday devices that they're familiar with. They'll also gain valuable lessons in building and in following instructions. The project manuals include large color illustrations and simple directions for each project.
The project list includes all of the projects included in the SC-100 set and 204 additional projects, including a photosensitive electronic organ, a lie detector, an AM radio, and a two-finger touch lamp. With these projects, children will experiment with electric switches, integrated circuits, digital circuits, fuses, and the transformation of circuit sounds into other sounds.
Grow as You Go
Because the projects are arranged in order of complexity, kids can build on their skills as they progress through the manual. The lessons start out with a simple electric light and switch project that demonstrates how electricity is turned on and off with a switch. Further along, kids can put together a fire fan symphony, a water-detection alarm, a delayed-action fan, and more.
Design Your Own Circuits and Upgrade Your Kit
Once children have mastered several of the techniques introduced in this kit, they can use the components to experiment and create their own customized circuits and electronic devices. The Snap Circuits SC-300 can also be upgraded to the Snap Circuits Pro, Snap Circuits Extreme, or SCM-400 with the purchase of a UC-50, UC-70, or UC-100 upgrade kit, respectively. Kids will enjoy additional parts, manuals, and projects that'll take their kit--and their fun--to the next level.
Snap Circuits SC-300 requires four AA batteries, which are not included.
What's in the Box
Plastic snap-grid, 32 electrical components, and 2 project manuals.
Important information
Safety Information
Small Parts Warning
Legal Disclaimer
Must be at least 18 and over to purchase
From the brand

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Snap Circuits
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Snap Circuits
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Teach Tech
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Elenco
From the manufacturer

Educational & Playable
- Buildable, playable kits that invite kids to make dozens of cool electronic gadgets, games, and more!
- Learn about electricity while making your own circuits
- Different kits to explore projects about light, motion, power in the home, and more!
Think Green
- Explore clean energy concepts, such as electric cars, windmills, and hand-generated power
- Learn the basics of electronics and modern alternative energy
Easy-to-Use
- No tools needed
- Full-color project manuals walk your child through projects step-by-step
- Make learning both easy and fun
Build cool, unique projects – all from one box!

So Many Projects to Make
STEM kits come with a clear, easy to understand illustrated instruction manual. Follow along step-by-step and complete multiple projects with each product. Build dozens of fun and unique projects from one box.
Safe with No Tools Required
Build with your hands! All products are assembled simply by snapping parts together, no tools required. Only Snap Circuits products use patented CircuitSafe Technology to keep kids safe while they play.
What's inside
All Snap Circuits kits come with everything you need (batteries excluded) to complete real electronic circuits. Components combine to create working circuit boards just like the ones found inside televisions, radios, and other electronic devices.
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Customer Reviews |
4.5 out of 5 stars 91
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4.8 out of 5 stars 28,074
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4.8 out of 5 stars 28,074
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4.5 out of 5 stars 47
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4.5 out of 5 stars 47
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4.7 out of 5 stars 4,113
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Price | $18.59$18.59 | $29.99$29.99 | $89.99$89.99 | $46.59$46.59 | $46.59$46.59 | — no data |
Model Number | SCB-20 | SC-100 | SC-500 | SC-STEM | SCG225 | MYHSCP20 |
How Many Projects | 5 | 100+ | 500+ | 85 | 125+ | 53 |
Number of Parts | 12 | 29 | 75 | 45 | 45 | 72 |
Batteries Required | No | ✓ | ✓ | ✓ | No | ✓ |
Recommended Age | 5+ | 8+ | 8+ | 8+ | 8+ | 8+ |
Features Alternative Energy | no data | no data | no data | no data | ✓ | ✓ |
What's in the box
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers find the Snap Circuits Jr. educational toy keeps kids engaged and helps them grasp fundamental electronics concepts. The kit is easy to understand with illustrated instructions, and customers appreciate that it can be combined with other sets to build bigger projects. Moreover, the toy is well-constructed and durable, with customers noting it remains functional after years of use, and they consider it a fantastic gift for children interested in science.
AI Generated from the text of customer reviews
Customers find the Snap Circuits Jr. educational value positive, noting that it keeps children engaged and learning while providing teaching material for parents and teachers. One customer specifically mentions it is perfect for introducing kids to basic DC circuits.
"...They work well. The kids love it. Very educational. Keeps the kids engaged and learning. They enjoy learning with this product...." Read more
"...for building various circuits are illustrated and the kids were able to build a ton of stuff. It was definitely a great investment." Read more
"...The materials are child-friendly, engaging, and age-appropriate. It's not just another toy – it’s a smart investment in her development...." Read more
"Hours of fun and learning. Pieces snap together with ease and functions as they should...." Read more
Customers find the Snap Circuits Jr. kit engaging and fun, noting that it keeps kids busy for hours while making circuit building enjoyable.
"...Super fun. The parts have lasted. They work well. The kids love it. Very educational. Keeps the kids engaged and learning...." Read more
"...We used these the last day of STEM and the kids absolutely loved it!..." Read more
"...The materials are child-friendly, engaging, and age-appropriate. It's not just another toy – it’s a smart investment in her development...." Read more
"Hours of fun and learning. Pieces snap together with ease and functions as they should...." Read more
Customers find the Snap Circuits Jr. kit easy to follow, with clear instructions that are well-illustrated and simple to understand.
"...The instructions for building various circuits are illustrated and the kids were able to build a ton of stuff. It was definitely a great investment." Read more
"...The booklet/instructions are well-written, easy to understand, and explains the how's what's why's and how's of circuitry...." Read more
"...It's very well made and easy to use." Read more
"...Maybe I just missed it. In summary: Great kit, really fast and easy, enough projects and flexibility to provide fun and learning for a long time...." Read more
Customers find that the Snap Circuits Jr. toy works well, with children successfully completing projects independently and being delighted with the results.
"This is an amazing product. Super fun. The parts have lasted. They work well. The kids love it. Very educational...." Read more
"Hours of fun and learning. Pieces snap together with ease and functions as they should...." Read more
"...However, assuming things work okay, there are several nice Radio projects (complete with volume control and tuning) which look to be pretty fun...." Read more
"...really invite kids to use them, and the whole kit and the project book are just fantastic...." Read more
Customers love this educational toy as a gift, particularly for younger children and those interested in science, with multiple customers noting it's suitable for children as young as 4 years old.
"...The materials are child-friendly, engaging, and age-appropriate. It's not just another toy – it’s a smart investment in her development...." Read more
"My grandson LOVES it. It was a birthday present success!" Read more
"Son loves this item, great for any kid interested in science." Read more
"...in all I still give this 5 stars because it's a great product for getting kids into electronics and we'll definitely get a lot of life out of this...." Read more
Customers praise the build quality of the Snap Circuits Jr. kit, noting that it remains functional after years of use, with one customer mentioning that the pieces are sturdy enough for little fingers to manipulate.
"This is an amazing product. Super fun. The parts have lasted. They work well. The kids love it. Very educational...." Read more
"...It's a high quality toy, and I'm so glad that I invested in it! Highly recommend." Read more
"...The connections are strong and durable..." Read more
"...It's very well made and easy to use." Read more
Customers appreciate the variety of projects in the Snap Circuits Jr. kit, with many different models to build and interesting combinations possible.
"...They enjoy learning with this product. There are several options for things that can be built and experiments that can be done...." Read more
"A lot of different circuits possible, and they have many examples for projects. The connections are strong and durable..." Read more
"...by including a motor with a helicopter blade, noisemakers, and other cool things...." Read more
"...In summary: Great kit, really fast and easy, enough projects and flexibility to provide fun and learning for a long time...." Read more
Customers find the electronics kit to be well worth the price, appreciating its quality relative to the cost.
"...purchased this for our 7-year-old daughter, and it's been absolutely worth it! The materials are child-friendly, engaging, and age-appropriate...." Read more
"...stands behind the broken items in our kit, then I think it's worth the money and will provide quite a bit of entertainment (and educational) value..." Read more
"...much fun I had with it when I was younger, and that combined with the low cost of the base set led me to fold on buying it for my little brother as..." Read more
"...On the other hand, the big kit is pretty affordable. And some of those advanced projects look REALLY intriguing...." Read more
Reviews with images

Fun and rewarding!
Top reviews from the United States
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- Reviewed in the United States on June 26, 2025Size: 750 ProjectsVerified PurchaseThis is an amazing product. Super fun. The parts have lasted. They work well. The kids love it. Very educational. Keeps the kids engaged and learning. They enjoy learning with this product. There are several options for things that can be built and experiments that can be done. I recommend this for any tech loving kid or even teen. Engineering. Electronics. They'll love this!
- Reviewed in the United States on June 18, 2025Size: 100 ProjectsVerified PurchaseI donated these to my son's 4th grade class as an end of year gift. I volunteered during the year teaching STEM once a week. We used these the last day of STEM and the kids absolutely loved it! The instructions for building various circuits are illustrated and the kids were able to build a ton of stuff. It was definitely a great investment.
- Reviewed in the United States on June 18, 2025Size: 100 ProjectsVerified PurchaseWe recently purchased this for our 7-year-old daughter, and it's been absolutely worth it! The materials are child-friendly, engaging, and age-appropriate. It's not just another toy – it’s a smart investment in her development. We’ve seen a noticeable improvement in her.
- Reviewed in the United States on June 10, 2025Size: 100 ProjectsVerified PurchaseI bought this for my 9 yo STEM minded grandson, and he absolutely LOVES it!! He sat down and played with it for a couple of hours, and my husband joined in because he thought it was fun as well. It's a high quality toy, and I'm so glad that I invested in it! Highly recommend.
- Reviewed in the United States on January 17, 2025Size: 750 ProjectsVerified PurchaseBought this (very far in advance) for my daughter for Christmas, as I was looking for something similar to the Radio Shack 200:1 type kits I had as a child. Unfortunately, those don't exist anymore - but this is pretty close. The instructions could use some work, as they do not really describe what the components are doing and it feels more like teaching them to build Legos rather than read or understand electronic components and circuit diagrams, but I can understand how it might be the best option given the limitations of pieces being used. The old Radio Shack units had springs and everything was wired together with (sometimes hundreds!) of little jumper wires. Granted, I suppose not much is really wired that way anymore, and perhaps this more "circuit board style" is more appropriate for today's kids (and adults!). Either way, she has really enjoyed playing with it and learning about dc current flow, how reversing polarity on the motor causes it to spin in different directions, and troubleshooting her circuit lead to an understanding of how diodes are only one way. It's achieving it's goal, and for that, it's great.
What's not so great, however, is the packaging. It's two cardboard and plastic molded trays, and just a slip cover. It's very difficult to store, since anything other than sitting flat on a shelf will cause the slip cover to come off, the trays to fall, and pieces to go everywhere! It really needs a traditional, closing box. Will have to try to find something that is more appropriate to hold the pieces, which is unfortunate.
- Reviewed in the United States on June 3, 2025Size: 300 ProjectsVerified PurchaseHours of fun and learning. Pieces snap together with ease and functions as they should. Has helped my son learn a lot about how certain electronics work. A great buy for anyone who is interested in fun projects and electronics.
- Reviewed in the United States on June 22, 2025Size: 500 ProjectsVerified PurchaseMy grandson LOVES it. It was a birthday present success!
- Reviewed in the United States on June 22, 2025Size: 300 ProjectsVerified PurchaseSon stays busy for hours
Top reviews from other countries
- Sesh S.Reviewed in India on November 7, 2016
5.0 out of 5 stars Superb build quality, very well organized 'experiments'. Absolutely worth it.
Size: 750 ProjectsVerified PurchaseI have been eyeing this for sometime for my kids and when I saw this listed at an amazing price, very close to the prices available in the US, I grabbed it. It also reached me very quickly. Thanks Amazon.
The product is designed to get kids excited about electrical / electronics around them. You could pull together a breadboard and several of these components at a much lower price. You would be still stuck with messy / a little unsafe soldering etc. or with ugly wires sticking around. While for some, that could be well be the 'charm' of 'rolling up your sleeves', I don't believe that is a great first introduction. Because much of the bandwidth will be spent trying to 'make it work'.
Now this on the other hand, has really high quality board and parts. The manuals (there are 5 of them with this set!!) are clear and easy to follow. There is enough basic information on not just 'what' but 'why' you do them. For those who want more detailed information, you could easily pull more content online from the web.
The way I chose to use it, was to get the kids (11 and 5 years) to pull together anything that caught their fancy from the hundreds available. They started attempting the very complicated stuff, but quickly agreed they would rather go in sequential order :-) The 'experiments' are organized in sequential order of difficulty / complexity. When they pulled it together, they got great satisfaction from making the bulbs flash / sirens beep etc. I would then ask them 'why they think it happened'. So without getting into complicated IC circuitry which would be above them, they started understanding the need for logical gates and how circuits work or computers 'think'. I then asked my 5 year old what logical 'gates' (OR, AND, XOR) etc. he would use for him and his friends to reach the play park and use various equipment (swing : only one allowed at a time, see saw : perforce needs two etc.) This was great fun for him and terrific learning as well. My 11 year old is now trying to seriously decide whether the 'oscilloscope' principle is best served for engineers or doctors.. and therefore what she should become when she grows up :-)
Absolutely love it!! I wish I had these things when I was growing up.
- KlimReviewed in Singapore on May 23, 2021
5.0 out of 5 stars Awesome product
Size: 300 ProjectsVerified PurchaseMy grandson always played with the snap circuits whenever he come over to my place ever since I bought it for him. He will do different projects from the one listed in the books.
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Jaime Dario Olguin FloresReviewed in Mexico on October 23, 2024
5.0 out of 5 stars Excelente
Size: 500 ProjectsVerified PurchaseDiviértete jugando, entretenido y con mucho aprendizaje de por medio, viene en inglés con mucha explicación científica e imagines para guiarte
- Sandra B.Reviewed in Canada on June 12, 2025
5.0 out of 5 stars Good for gifting
Size: 100 ProjectsVerified PurchaseNice. Gave as a gift. Fun for her to use.
- QPS AdventurerReviewed in Canada on April 30, 2022
5.0 out of 5 stars Excellent kit and great learning tool
Size: 500 ProjectsVerified PurchaseThis I got as a gift for my partner. She is not technically inclined but the plans are easy to follow. Being able to build something that works and does something really encourages the user. It also gives me chance to explain what each component is doing to make the circuit work.
If you have a kid interested in electronics or as in our case an older adult trying to learn about something new this is great.
The kits themselves are well built and reasonably robust.