Get ready to unleash a whirlwind of words and giggles with the Thumball Category Mania 4-inch Interactive Learning Ball. This engaging yellow and blue 32-panel ball is designed to stimulate speech and language development through fun and interactive play. Players call out items that fit into specific categories printed on each panel, promoting quick thinking and vocabulary enhancement. Ideal for both classroom environments and home play, this Thumball offers a dynamic way to boost memory and word-finding skills, with the option to adjust the challenge level by playing with or without time limits.