Sitting was never so much fun with these stay-n-play balls with silly smiles! The kid-sized 45cm inflatable ball has built-in no-roll stabilizing legs that encourages healthy posture while keeping the body active and the mind engaged. Ideal for ages 5-7. Includes an easy inflation pump. Makes sitting fun Four fun smiley prints Built-in stabilizing legs Encourages healthy posture Keeps the mind engaged Ideal for ages 5-7 Measurements: 45cm ball. Weight Capacity: 175 lbs. Looking for a larger size? Check out the 52cm Funny Faces Stay-N-Play Ball, ideal for ages 8-10.