Bouncy and bright, these are a great addition to classroom fidgets, these vibrant spiky balls light up in a myriad of colors. Whether needing to decompress, searching for raffle prizes or just looking for something fun to pass the time, these playful lights are sure to be a hit day or night. Just one bounce and watch 'em glow and go! Plastic. Includes batteries.Size: 3" / Includes 12 pieces