The ultimate in thrill ride fun, the K'NEX Double Ferris Wheel has 850+ pieces and stands over 3 feet tall! Create an exciting, high powered ride that features two star shaped wheels that spin in opposite directions. The set features brighter colors, new micro-sized K'NEX parts, and the new genuine K'NEX bricks! All this plus one of our most powerful motors that spins the giant motorized wheels in opposite directions - providing endless head spinning fun.