ROKR 3D Wooden Puzzles for Adults Mechanical Music Box-Starry Night, DIY Rotating Music Box Model Building Kits for Teens, DIY Crafts/Hobbies/Gifts Desk Decor for Boys Ages 14+ (Starry Night)

This ROKR 3D wooden puzzle music box kit comes with pre-cut plywood. Wooden materials are non-toxic, safe, and smooth. After finished, it can play the tunes when you turn the T-Key on the bottom of the music box.