This set includes 21 clear, plastic fish with the numbers 0-20 on one side with corresponding dots on the other. The fish contain gel-like beads in 7 colors: Red, Orange, Yellow, Green, Light Blue, Dark Blue and Purple. A hands-on, tactile manipulative, these fish are an ideal resource for number recognition, counting and subitizing skills. The translucent colors will color mix when held against a window or light panel. Children love to feel the squishy, jelly-like textures and see the transparent, vibrant colors which make the fish perfect for sensory corners. Each fish contains a loop at the top for hanging with string or clothespins. Suitable for ages 3 and up. Size: 5.9" x 3.1"W.