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LEGO® Gadgets Building Set Brain Game

LEGO® Gadgets Building Set Brain Game

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at JCPenney price tracker

14-day low
$34.99
Sep 13 · JCPenney
Best price
$34.99
−0% vs high
14-day high
$34.99
All stores
$35$35$35
Sep 13Sep 26
  • JCPenney
Lowest in 14 days: $34.99 at JCPenney. Highest: $34.99. Current best is 0% below the 14-day high.

About this product

LEGO Gadgets Building Set Brain Game is a hands-on activity kit designed for children aged 8 and up. It includes instructions to build 11 unique machines, such as a gravity-powered car and a wacky boxing robot. The set encourages creative experimentation with open-ended design prompts that inspire further innovation beyond the included projects. Made with 50% plastic and 50% paper, it features a compact size of 10 x 10.25 x 1.13 inches and can be cleaned with a damp cloth.

  • 11 buildable machines
  • ages 8 and up
  • plastic and paper materials
  • open-ended design prompts
  • 10 x 10.25 x 1.13 inches
  • wipe clean care

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LEGO® Gadgets Building Set Brain Game — Price Tracker & History