The unique Kore Floor Wobbler allows children to sit comfortably on the floor and remain active in one spot. Ideal for flexible seating classrooms. Features increases secondary focus, anti-roll safety, plenty of finger space around base to prevent pinching, easy storage, an outlet for high energy and has a lifetime warranty. Available in six colors. Dimensions: 4"H x 19"D, 3 lbs. Manufactured with Antimicrobial Protection against the spread of common bacteria; FDA approved and successfully tested to reduce up to 99.9% of common bacteria including E. coli, listeria, and S. aureus. Provides an outlet for children with high energy or sensory seating needs like ADHD or Autism.