Young builders will delight with this construction set. Create a variety of structures that come to life with the help of a battery-powered motor box. The helicopter propeller spins and includes unique firing action your child will enjoy. Watch the spider crawl and the bumper car move forward and back, reversing direction with every bump. Step-by-step building instructions are included for 3 models in one kit. Additional construction ideas are also included. This product comes with a total of 607 pieces. Requires 6 "AA" batteries (not included).

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