The Tamu style Cat Spring Toys are perfect for promoting fun and active play in your cat. These toys come in a set of 30 pieces that include 10 blue, 10 yellow, and 10 red coils. The set is perfect for multiple cats or even a single feline. The toys are made from a high-quality, flexible plastic that is safe for chewing. They also have a random bounce and twist feature that keeps the cat entertained.