K'nex Power and Play Building Set Kids can build 50 motorized models with this set. They can follow the guide....
K'nex Power and Play Building Set Kids can build 50 motorized models with this set. They can follow the guide to make a creation or come up with their own. When the supplied motor is then switched on, the creation moves. The set contains 529 parts. The motor works on 2x AA (not included)