CZ0723 Air Trekkers Jumping Stilts, Combine X-Game, Electric Skateboard 1000w, Penny Board Product info Model ... , Generation II, Generation III to Generation IV.We will surely have Generation V or VI in the coming ... years, of course we will need your feed back and support.***To know more ... Stilts CZ0723 Air Trekkers Jumping Stilts, Combine X-Game, Electric Skateboard 1000w, Penny Board