Turbo Jet 2 in 1 Building Set - K'Nex

2-in-1 fun: build a supersonic jet, then build a Heli-plane with rotating propellers! Over 400 K'NEX rods and connectors are included in his set, plus a battery-powered motor. Build a jet with motorized, rolling wheels and an open-and-close cockpit! Then take it apart and build a Heli-plane with working, motorized propellers that you can adjust to spin vertically or horizontally. 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. Perfect for builders age 7 and up! Requires 2 "AA" batteries, not included.