Kids too young for real motocross bikes will absolutely love the My First Motocross Racer. Moms will be glad that its highest speed is 3 mph, but the sporty bright green and black bike looks like it means business. The My First Motocross Racer bike runs on a rechargeable 6V battery (included) for up to 45 minutes per charge. Beginning riders will like the training wheels for added stability and balance. For ages 3+ up to 55 pounds.Adult assembly required; assembled dimensions: 40"L x 25"H x 21"W. Made of plastic. Required 6V rechargeable battery and charger are included. Helmet not included.WARNING: CHOKING HAZARD - Small parts. Not suitable for children under 3 years.