RI Novelty Make Your Own Bouncy Balls Craft Kit - (you Receive 8 Individual Kits, each Kit Makes 2 Balls)

This science project will put a bounce in your step. The process involves putting together a ball mold, adding powdered rubber, and submerging the mold in water. In just four minutes, you're ready to detach the mold and Voila! You've made your own hi-bounce rubber ball. Each kit makes two balls.