This great adjustable spinning and balancing ride on toy is a "must have" for every therapy clinic, sensory diet and playroom. The smooth, steady spin, provides lots of vestibular/movement input in a small space. Large 16" textured top surface can easily be adjusted to change angle of slope to match level of skill. The wide 18" base provides maximum stability and a built in carry handle. 2 styles available. Preschool or Jr. Try sitting, kneeling or lying down. Maximum weight is now 200 pounds for the Jr edition. Ideal for sensory seekers, vestibular input and informal nystagmus testing. No assembly is required. (Adult supervision, caution and common sense is recommended when using this and any moving toy.) *This item DOES NOT qualify for discounted or free shipping.