Encourages and develops an interest in music. Squeeze and stretch the caterpillar to create music. The flashing lights and music buttons captures attention and develops a cause and effect response. Two modes contain sound effects, fun phrases, melodies and songs to encourage speech development. The piano keys encourages number and colour recognition as well as fine motor skills. Requires 2 x AAA batteries to play sounds. The tambourine develops rhythm and movement to music as well as hand eye coordination and sensory perception.