Vibrant design engages little ones with this colourful activity toy 2 different sound modes that play notes or a custom Eric Carle song. Sized just right for small hands. Appropriate for ages 0+ Wipe Clean with a damp cloth. The Very Hungry Caterpillar Musical Toy is a great on-the-go toy that includes a grabbable handle, both sounds and lights as well as two textured rings for added fun. Play mode #1 - each button plays a musical note while the buttons light up. Play mode #2 - each button plays a custom song from the Very Hungry Caterpillar App. Includes 2 replaceable AAA batteries.