Snap Circuits

Snap Circuits Jr. SC-100 Electronics Exploration Kit – 101+ Projects, 28 Components, STEM Toy for Kids 8+

High-performance toys made for confident daily results

$42.70

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium toys quality selected for United States (USA) customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Share

Why customers choose ToyTerrax Toys and Games

Hands-on electronics exploration you can trust

Introducing your child to the inner workings of everyday devices becomes a safe, tangible adventure with Snap Circuits Jr. SC-100. This compact kit uses color-coded, snap-together components that click into a plastic grid—no soldering required. With 101 do-it-yourself projects and a clear, kid-friendly project manual, curious builders can explore how circuits power lights, sounds, and motion, while gaining confidence in problem solving.

Why this matters: hands-on learning helps kids connect ideas to real outcomes. The components feel sturdy in small hands and are labeled by color and number to simplify identification, so little engineers can stay engaged as they build, test, and iterate. The experience blends tinkering with step-by-step instructions, turning play into a concrete understanding of basic electronics.

What you get

  • Plastic snap-grid for quick, secure circuit assembly
  • 28 color-coded components that snap together to form working circuits
  • Full-color project manual with large illustrations
  • Battery note: requires two AA cells (not included)

Project highlights you can look forward to

  • Sound-activated switch to explore how input and response connect
  • Musical doorbell that demonstrates audio in a circuit
  • Voice-controlled lamp and a flying saucer for imaginative play
  • Light effects and a simple siren to observe circuit behavior

Grow at your own pace

The projects are sequenced to increase in difficulty, so kids can start with a basic light and switch and gradually tackle more advanced concepts. As skills develop, they can experiment with two-speed fans, clap-triggered sounds, and other hands-on challenges that reinforce cause and effect.

Expand the adventure

When your child is ready for more, upgrade options are available with UC-30, UC-40, and UC-60 kits. These expansions unlock additional parts, manuals, and new projects, helping the learning journey evolve beyond the base set without changing the core play experience.

Why families choose Snap Circuits Jr.

  • Safe, screen-free hands-on exploration of electronics
  • Encourages following instructions, sequencing, and logical thinking
  • Durable, kid-friendly design that travels well for home or on-the-go learning

Note: This kit is designed for children 8 years and up. It offers a fun, educational experience to spark curiosity about how circuits power everyday gadgets, without promising specific outcomes.

FAQ

Q: What age is Snap Circuits Jr. SC-100 suitable for?

A: Recommended for children 8 years and up; safe, solder-free learning.

Q: What does the kit include and are batteries needed?

A: Includes grid, 28 components, and a project manual; requires two AA batteries (not included).