Step right up! Assemble this wonder wheel from Elenco where science and engineering ride together! Build the electric screwdriver, then use it to construct the Ferris wheel. After locking the pieces into place, use the screwdriver base to power the wheel. Lots of color and motion bring your creation to life. Set includes the electric screwdriver (4 parts), five character pieces, plus 37 other components, a sticker sheet and instruction manual. Hear the gears turning? That's learning taking place! Requires 2 AA batteries.