This Foot Twister by Winther is a safe and durable ride-on toy that will provide your child with hours of active fun. This Foot Twister is propelled forward by the zigzag motion of your child's feet. This will improve your child's rhythm, technique and upper-body coordination while giving him a great workout. It is challenging but also a blast. This Foot Twister by Winther was designed with your child's safety in mind. It is constructed with a safe design featuring rounded-off shapes and no sharp edges, spokeless wheels with wide tires, and safety handlebar grips.