Band-in-a-Box - Hum! Jangle! Shake! from Melissa & Doug is a 7-piece musical instrument set that includes a wooden xylophone with mallet, a kazoo, a metal harmonica, colorful castanets, and a large-handled jingle stick all stored in a wooden crate; designed to introduce young children to music while promoting hand-eye coordination, an understanding of cause and effect, and imaginative play Recommended for ages 3 and up.