2 AA batteries required.
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K’NEX Imagine â€“ Power and Play Motorized Building Set â€“ 529 Pieces â€“ Ages 7 and Up â€“ Construction Educational…$ 39.97
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529 ASSORTED PIECES – The K’NEX Power and Play Motorized Building Set contains 529 parts, including different sizes of connectors, rods, and wheels. These can be clicked together easily for a myriad of 3D configurations.
MOTOR INCLUDED – The K’NEX Power and Play Motorized Building Set is the only set on the market that includes a motor. Watch your child’s creations come to life when you attach the battery-powered motor to them!