The Light Up Happy Balls from Toysmith come in 6 vibrant colors and flash multicolored lights. Color options include red, purple, yellow, hot pink, green, and blue. Each ball measures just over 2 inches in diameter and has a smiling grin and black eyes. Made for durable play, these high-bounce balls are designed with high-quality rubber material. Nonreplaceable batteries included. Get an assortment of 35 inside a 9.49 x 7.36-inch Happy Ball-themed display case.