Revel Adjustable Height Fidget Stool, Backless, Supports Up to 250 lb, 13.75" to 18.5" Seat Height, Charcoal Seat, White BaseRevel in the movement and give classroom fidgeting a new meaning. Move side to side, back and forth, or spin in a full circle. Stool's height range accommodates young children and adultssimply adjust height with the push of a button. Easy to clean, durable plastic body features a slip resistant base to help keep enthusiastic revelers stable and grounded. Choose Revel to bring movement and mobility to active learners. Note: This is a non returnable