This colorful and friendly caterpillar plays music and walks as your child blows a whistle. One whistle and the caterpillar walks forward on his sneaker-clad feet, then simply blow the whistle again to stop. Two or more whistles make it walk backwards! Switch modes and press the 3 flashing buttons on his back to play music including A-B-Cs, 1-2-3s and more. On/off switch. Req. 3 "AA" batteries (sold separately). Plastic. 9 2/3"L x 6"W x 5 1/2"H. Ages 12 months+.