EzyRoller combines the control of a bike and the fun of a scooter, yet it"s very unique, like no other ride you have ever had! Not a luge, not a bike, not a scooter, the EzyRoller moves like a snake, without chains or pedals, using easy right-left leg movements. There are no chains and no batteries - the EzyRoller moves and turns silently. It offers the enjoyment of new locomotion possibilities that can"t be experienced on any other bike or ride-on. EzyRollers, thanks to their award winning patented design, are silent and durable, They use top quality materials and engineering. Great for children 4 years to 14 and older! Award winning product: Parents" Choice Recommended Award Winner; iParenting Media Award Winner; Toy of the Year Award by Creative Child Magazine; Toy innovation winner by Toy Directory; A NAPPA Gold Winner. Features: No chains, pedals or batteries; Glides forward like a snake using right/left movements of feet on push bar; Tough, long lasting all steel frame and fork; Highly stable low center of gravity; Suitable on flat smooth outdoor or indoor surfaces; Extendable (extensions included) from 4 years (3"3") to 14 years plus (5"5").