Use these clever fish to teach counting, associate numbers with quantities, color recognition and sensory play. Includes 21 vibrantly colored counting fish with numbers 0-20. Plastic fish contain gel-like, colored beads in 7 colors. The translucent colors will color mix when held up against a lit background. A wonderfully multi-sensory learning toy for number and color recognition plus tactile stimulation. Size: 5.9" L x 3.1" W.