The Play Day™ 100 Play Balls set is great for a fun learning and playing experience! Great on their own, the Play Balls are also a terrific addition to any ball pit for some extra fun. They are a great way for little ones to learn to catch and throw, improving hand-eye coordination and other motor skills as they crawl, walk or run after the Play Balls. Made with heavy-duty material and finished with a smooth seam, the Play Balls are lightweight and portable. Up the excitement level for your little ones with the Play Day 100 Play Ball set! • Size: 2.3 in. / 5.85 cm • Heavy-duty, air-filled material with a smooth seam • Develops fine motor skills, imagination and hand-eye coordination • Great on their own or as an addition to a ball pit • Contents: 100 play balls • Colors: green, purple, red, blue, yellow