Get the best bang for your buck as you make little ones smile. With in the dark bouncy balls for kids, you'll have enough goodness to spread around. Dish them out as treats or use the bounce balls as fun learning aids for teaching math and counting.Bouncy balls with a delightful smile face and the coolest glow! Leave them under light to activate the glow, give them a good bounce, and watch them light up the room in striking style. We take safety very seriously. That's why we've created our glowing bouncing balls using high-quality rubber free of BPA, phthalates, and lead. The durable rubber withstands all that bouncy action.It can also effectively repel mosquitoes, allowing children to play freely on summer nights.