Introducing Ollyball Boston Celtics Editon. The PATENTED, Toy of the Year AWARD WINNING Ollyball is Playing Ball in the House with NEW Ollyball NBA Team Editions. Kick it. Hit it. Color it! PATENTED KrunchCOR Construction for Safe Indoor Play. Will NOT BREAK WINDOWS or MARK WALLS. 12” Durable, colorable and re-inflatable shock-absorbing ball. Full-force indoor play day or night, rain or shine. WINNER of a Toy of the Year at the New York International Toy Fair.