This Cardio Kids Total Body Kidz Cycle works with both upper and lower body at the same time, or individually. The onboard computer provides different programs according to the needs of the user and instructor. Bike is fully adjustable and the built in wheel system makes this unit extremely portable. User can exercise using only the cycle section, use only the upper body, or may choose to use both at the same time. Shipped freight, fully assembled, sized and proportioned for children. The Kidz Cycle allows a total cardiovascular workout, preset tension for legs and arms, reads distance, calories, heart rate, built in wheels. 60"L x 24"W x 56"H. Weighs 150 lbs. Recommended for ages 10-15.