DEVELOPMENTAL This kids wobble stool was designed to help busy bodies stay calm and focused while encouraging proper posture and strong core muscles. Rounded, smooth cushion style seat with molded in sensory dots for a steady grip, is also beneficial for ADD, ADHD, and Autism. TIP RESISTANT Kids wobble chair features a specialized base that allows kids to continuously move around while maintaining focus on other activities. ACTIVE SITTING: This kids wobble stool was designed to help busy bodies stay calm and focused while encouraging proper posture and strong core muscles. Rounded, comfortable seat with easy-grip sensory dots allows kids ages 5-8 DURABLE DESIGN Heavy-duty, 1-piece plastic construction is lightweight and easy for kids to move. AMERICAN MADE Plastic wobble stools are made and designed in the USA and require no assembly.