Vivitar’s DIY Motor Operated Ferris Wheel with Battery Pack let’s the imagination run wild by providing endless ways to build your own ferris wheel. Use the 88 piece building set to follow steps into creating a functional Ferris Wheel and then spread out with original creations.The included battery pack, motor and wheels makes this turn round and round allowing you to watch your masterpiece come to life! Inspire the little engineer in your child, and show them the power of creation!