Fun Express Mini Neon Swirl Bouncing Balls - 48 Pieces These Mini Neon Swirl Bouncing Balls have some major bounce. A fun addition to your party supplies, these rubber bouncing balls are just the right size to plop in your party goody bags. In a rainbow of neon swirl colors, hand these out at your next birthday and office party. If youre a teacher, add them to your classroom supplies to use as rewards for your students. (4 dozen per unit) 3/4" (19mm)