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CB1 Kids Science Circuit Builder Kit, 500+ Experiments STEM Learning Set, USB Rechargeable, Snap-Together Electronics for Ages 6+

Prices as of October 7, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$49.99
Oct 7 · Macy's
Best price
$49.99
−26% vs high
14-day high
$67.99
All stores

Today's best price is the lowest AskPrice has recorded · tracked since May 2026.

$68$59$50
Sep 23Oct 7
  • Macy's
Lowest in 14 days: $49.99 at Macy's. Highest: $67.99. Current best is 26% below the 14-day high.

About this product

The Contixo CB1 Kids Science Circuit Builder Kit is a hands-on STEM learning set designed for children ages 6 and up. Featuring over 500 experiments, the kit includes 22 snap-together electronic components that allow kids to build functional circuits without tools or soldering. Projects produce real results such as glowing lights, sound, motion, and star projections, helping children understand electricity while developing problem-solving and creativity skills. The USB rechargeable power supply eliminates the need for disposable batteries, and color-coded parts with illustrated instructions support independent learning. Made from plastic and electronic components, the kit is safe for home and classroom use and suitable for screen-free educational play.

  • 500+ experiments
  • snap-together design
  • USB rechargeable
  • no tools needed
  • educational STEM toy
  • suitable for ages 6+

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