The STRIDER™ 12 No-Pedal Balance Bike is for children approximately 18 months to 5 years of age. The STRIDER 12 No-Pedal Balance Bike helps children learn to balance on a bike at their own pace. Most children "walk" the STRIDER 12 balance bike to start without using the seat. As they feel more comfortable, they sit on the seat and lift their feet. The STRIDER 12 balance bike is designed for children to graduate directly to a pedal bike, eliminating the need for tricycles and training wheels. The STRIDER 12 balance bike does not have a chain or pedals. There is no need for adult prodding or pushing with the STRIDER 12 balance bike, which allows the child to progress through the learning process at their own pace. The STRIDER 12 balance bike works specifically on the development of motor skills, such as, balance, strength and coordination. OPTIONS: STRIDER 12 Interlocking Bike Stand, STRIDER 12 Snow Ski, STRIDER 12- Extra-Long Seatpost with Saddle are a few of the options available. SIZES: STRIDER 12 Balance Bike and STRIDER SS-1 Super 16 Balance Bike. DIMENSIONS: STRIDER 12: seat height 11-16 inches (28-40.6 cm); user inseam: 10-15 inches; handlebar height: 18-22 inches. STRIDER SS-1: seat height 17-25 inches; user inseam 16-24 inches; handlebar height 29-34 inches. CAPACITY: STRIDER 12: 60 lbs. STRIDER SS-1: 120 lbs. WEIGHT: STRIDER 12: 7 lbs, STRIDER SS-1 Super 16: 15 lbs. COLOR: Blue, Green, Pink and Red. WARRANTY/GUARANTEE: 2-year warranty against manufacturing defects.