12 - Colorful Rubber" Bouncing ICY Neon Balls - Lots of Fun! Makes Great Replacement Balls for the Cranium Cariboo Game!" 12 - Assorted Colors ICY BOUNCY BOUNCING BALLS! Makes Great Replacement balls for the Cranium Cariboo Game Hours and hours of kid fun! On sale today! Save on shipping by combining with our other items! 35 mm diameter ( 1 3/8 inch diameter) You get 12 balls with this purchase!