Delight your little ones with the Sing Along Nursery Rhymes 2 Sound Puzzle from Melissa & Doug. Designed for ages 2 years and older, this 6 piece puzzle features scenes and songs from: Humpty Dumpty, Baa Baa Black Sleep, Hey Diddle Diddle, Mary Had a Little Lamb, Twinkle Twinkle Little Star, and Jack and Jill. Features light activated sensors that trigger songs and sounds. Measures 11.75" x 8.75".