9 months old thru 3's experience beginning gross motor success while exercising long muscles over and around softly shaped hygienically cleanable surfaces. 3" gradations of play to 15" high center platform empower tinies to conquer circular soft play. Outside perimeter heights encourage physical skill building. 57" diameter floor space. For even more fun, add the School Age Tunnel Climber. Or check out the rest of our soft play selection.