With your feet on the platform and your hands on the handles, simply hop up and down to propel yourself forward. The hydrofoils lift the waterbird above the water,allowing you to move much faster than any other human-powered watercraft. Made with aircraft aluminum and fiberglass. With the waterbird, you can ride on waves, race your friends, and even try new tricks. Any way you use it, the waterbird is both a lot of fun and a great way to exercise. Features: 1) Suit (kg): 32-45 / 45-64 / 64-86 / 86-114 2) Fast, up to 17mph (27km/h) 3) Easy to learn 4) Easy disassembly for transporting 5) Feels like flying and lots of fun Specifications: 1) Wingspan: 8' (244cm) 2) Length: 6' (183cm) 3) Material: aircraft aluminum and fiberglass Outer packing: Carton dimensions: 125 x 70 x 19cm N.W.: 15.0kg G.W.: 11.5kg