Shopkins Squishy Foam Stress Balls Complete Set of 4 Toys Shopkins Squishy Foam Stress Balls Complete Set of 4 Toys. Set includes all 4 shopkins stress balls shown above : Donut , Chocolate , Cookie & Apple. Each shopkins comes packed in its very own net packaging with original hagtags. For ages 4 and up. Shopkins squishy stress balls are made of an ultra soft and squishy foam material so when you squeeze it, it reforms back to its normal shape. This set of all 4 is the ultimate christmas or birthday gift! These are a must have for all shopkins fans and collectors as they are extramly hard to find in stores and are no longer being made by the manufacture. Get yours while supplies last!