Build a smart robot that changes direction when it encounters an obstacle. It moves as if it had a brain. Requires one AA battery (not included).
For ages 8 and up.
Warning: Choking Hazard. Small Parts. Not for children under 3 years.
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This wasn't worth the money or time it took to put together. It started falling apart in less than 20 min. It only works on hard surfaces, and it doesn't have the strength or smarts to maneuver around on grouted tile. The only reason I gave it two stars is because my son is still enjoying playing with the motor ball that broke from the casing and because that part is still working or it would have been in the trash.