The unique Kore™ Floor Wobbler allows children to sit comfortably on the floor and remain active in one spot. Ideal for group reading time or flexible seating classrooms. Continuous movement while sitting increases Secondary Focus.• Manufactured with Antimicrobial Protection against the spread of common bacteria• Provides an outlet for children with high energy or sensory seating needs like ADHD or Autism• An anti-roll safety ring on the gently-rounded base prevents tip-overs and falls• Can provide a full body work out to strengthen core and leg muscles by engaging muscles not often used• Made in USA and satisfaction guaranteed with a lifetime warranty• 19" Dia. x 2.6" H, Dark Blue