Perfectly weighted ball that form fits to the curves of the human body. Balls filled with 3/4" pvc balls and a non-toxic gel. This creates a fluid environment that the pvc balls glide through. Try stacking, rolling, squishing, sitting on them and more. A great tool for increasing proprioceptive input into the joints. Ages 4+ Color varies. Dimensions and Weight Small 1.1 lb. - 4" Dia Medium 3.3 lb. - 5.5" Dia Large 4.4 lb. - 7.5" Dia Extra Large 6.6 lbs. - 8" Dia
- Warning: Choking Hazard (2) Not for under 3 years.