Air-Walker

$39.99
Gravity will be so confused! This 4-legged bot uses suction cups and pumps to walk clear up the wall. Hands-on engineering, physics, and fun are brought to life, with the help of a full-color 24-page manual. Lots of extra experiments, too! Requires 2 AA batteries.

For ages 8 yrs-teen, from Thames & Kosmos.

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