A chair that rocks! Your teen will be able to exercise their legs, back, and abdominal muscles while sitting. It's gently rounded ergonomic base allows for moving and flexing without leaving your seat. This Kore Teen chair is an outlet for restlessness and extra energy while increasing Secondary Focus, i.e. doing homework, eating, and playing video games. The Kore comes in many colorful choices, making it easy to match any decor. Great for children with ADD or ADHD. 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. Suggested for ages 10 - 11; Grade 3-4.