Search  for anything...

Snap Circuits 203 Electronics Exploration Kit | Over 200 STEM Projects | Full Color Project Manual | 42 Snap Modules | Unlimited Fun

  • Based on 1,756 reviews
Condition: New
Checking for the best price...
$28.99 Why this price?
Save $23.00 was $51.99

Buy Now, Pay Later


As low as $7 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Friday, Aug 21
Order within 15 hours and 36 minutes
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

Features

  • SO MANY TOYS IN A SNAP: A safe and fun way to introduce children ages 8+ to the basics of electrical engineering while having fun! Build exciting projects and toys using the included colorful instruction book!
  • AMAZING VALUE: Build over 200 exciting projects with this classic kit! Included are 40+ pieces for building exciting projects such as, burglar alarms, doorbells, and much more! You can even play electronic games with your friends.
  • GREAT GIFT: Give the gift of learning and fun! Snap Circuit kits will keep kids busy and having fun all year round. Combine with other Snap Circuits kits for even more projects!
  • NO EXTRA TOOLS NEEDED: Elenco Snap Circuit kits include everything you need to start learning immediately - and more. The numbered and color coded pieces snap easily onto the included plastic grid.
  • AWARD WINNING: Snap Circuits is 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 and many more!

Description

Snap circuits 203 covers 203 projects with exciting electronics concepts. Circuit Maker kits make learning electronics fun and easy but engaging. No bored kids here. All components are mounted in plastic modules and snap together with ease. Enjoy hours of educational fun while learning about electronics and building analytical and problem solving skills. Project 1, a simple introduction to the basic circuit "Electric Light & Switch". in 14 let's find out what conducts electricity with "Conduction Detector". projects 20 and 21 compare "Parallel Resistors" and "Series Resistors" project 78, "Two-Finger Touch Lamp" puts you in the middle as you use your body complete the circuit. Project 131 builds a circuit you can install in your basement for water leak detection. Instruction manual includes the basic dos and don'ts of electricity and electronics. Contains 42 snap circuits parts and project guide. 3 AA batteries needed but not included. For ages 8 & up. No tools required.

Brand Name: Snap Circuits


Age Range Description: Kid


Educational Objective: STEM


Set Name: True


Manufacturer Maximum Age (MONTHS): 1200


UPC: 756619010366 791810805014


Manufacturer Minimum Age (MONTHS): 96


Global Trade Identification Number: 66


Model Number: CM-200


Item Part Number: FBA-CM200


Manufacturer Part Number: CM-200


Manufacturer: Elenco Electronics LLC


Item Type Name: Snap Circuits 203 Electronics Discovery Kit


Unit Count: 42.0 Count


Manufacturer Warranty Description: Warranted against manufacturing defects.


Included Components: 40 Snap Modules, 1 Color manual


Theme: Number


Battery Description: Alkaline


Is Assembly Required: No


Material Type: Plastic, Metal


Size: Plus


Item Dimensions: 15 x 2.2 x 12 inches


Item Weight: 2.2 Pounds


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Aug 21

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Fun for all ages!
Style: Kit
Got this for my nephews who are 11 and 13 years old. They are having a ton of fun with it! The parts are a good size and colorful and unlikely to be lost easily which is a bonus. The 11 year old opened it and get working on projects right away with no assistance needed.
Reviewed in the United States on December 4, 2025 by Jennifer Mclaurin

  • Kit is Great Fun plus very educational
Style: Kit
Great Electronics Exploration Kit. Well pleased with this kit, was something my 7 year old grandson loves and enjoyed. Just right to get a grasp on basic electronics.
Reviewed in the United States on January 17, 2026 by frank arthur

  • was such a blast!
Style: Kit
this is amazing! i totally recommend for children 10 and up! it is so much fun! the speaker is pretty loud though. all and through, its very educational and is sold for a good price!
Reviewed in the United States on January 20, 2026 by Jessica Manners

  • Great learning toy for kids
Style: Kit
Bought this for my nephew as a Christmas present. Can't wait for him to see it because he absolutely loved the starter set. These are a great learning toy. Definitely recommend.
Reviewed in the United States on November 12, 2025 by WBYGODV

  • Excellent Long-Term STEM Kit That Stays Engaging
Style: Kit
This Snap Circuits 203 Electronics Exploration Kit has been a fantastic hands-on learning tool over the years. With over 200 projects, it keeps kids engaged for a long time without feeling repetitive, and the snap-together design makes it easy to build circuits safely without tools or frustration. The instructions are clear and visual, which really helps build confidence and understanding of basic electronics concepts like switches, sensors, and sound circuits. What I’ve liked most is that it holds up well over time—the pieces stay functional, and it continues to be something kids return to instead of losing interest quickly. It’s educational without feeling like “schoolwork,” which makes it great for independent play or guided learning. Overall, it’s a durable, high-value STEM kit that keeps learning fun and interactive well beyond the initial use phase. ... show more
Reviewed in the United States on May 6, 2026 by Marie Phillips

  • Great gift
Style: Kit
Niece loved this gift
Reviewed in the United States on February 23, 2026 by Kimberly Booe

  • ******
Style: Kit
This set was my son's favorite Christmas gift. He just absolutely loves it. Still playing with it in May.
Reviewed in the United States on May 14, 2026 by J

  • Must buy for kiddos!
Style: Kit
Great distraction from electronics while on summer break. Endless summer fun!
Reviewed in the United States on July 12, 2025 by Jessica Applegate

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...