Quality 12" x 12" polyethylene scooterboards with non-marring casters and two built-in safety handles; perfect for children who have sensorimotor challenges. These smooth-riding scooter boards are wonderful for building gross motor skills, core strength, motor planning, bilateral coordination, for providing vestibular input, and developing upper body and lower extremity strength. A fun sensory therapy toy that kids can use in sitting, kneeling, or in a prone position (lying on your tummy). Supports up to 120 lbs. Adult supervision is needed.