Leave the past behind with the K'NEX Revolution Ferris Wheel Building Set! Build this exciting, motorized rail-driven rotating Ferris Wheel out of 344 K'NEX parts, primarily rods and connectors, and watch it spin both clockwise and counterclockwise at two different speeds. The K'NEX Thrill Rides line allows children to build an entire theme park in their room as heart-pounding roller coasters, majestic Ferris wheels and more come to life before their eyes. All K'NEX parts and pieces are guaranteed for a lifetime of fun and all K'NEX bricks, rods, and connectors proudly made in the USA. This set is perfect for builders ages 7 and up. Requires 2 "AA" batteries, not included.