No motors, no batteries, no pedaling! The Mason Exer-Rider® is a safe and fun mobility device that encourages independent play for children with poor trunk control and weak lower extremities. Move the upturned handlebars from side to side to encourage trunk extension and rotation. Riding the Mason Exer-Rider® provides vestibular stimulation, enhances motor planning, and strengthens upper extremities and visual perception skills. Adapted by a pediatric physiotherapist, the therapeutic design features a non-skid seat and sturdy foot wells for proper pelvis positioning, adjustable seat belt and leg strap to provide support where needed and a padded back support to aid trunk stability. May be enjoyed indoors and out, on any hard, smooth surface. Weight capacity 150 lbs. Overall dimensions: 27-1/2" L x 21" W x 16-1/2" H. Proudly made in the USA for 30 years and ships fully assembled with one year warranty. Kindly allow extra delivery time.