6 months & up. Entertain any child with this classic, retro Jack-in-the-Box toy featuring the song, "Pop Goes the Weasel." With a few turns of the crank, out pops Eric Carle's The Very Hungry Caterpillar! Great for peekaboo and cause and effect. Made of durable, sturdy tin with a plush puppet pop-up. This toy features the colorful artwork of Eric Carle. Measures 5 1/2" H.