Hands Craft DIY 3D Wooden Puzzle Music Box for Kids and Adults. Admire the beauty of our solar system without having to look up to the stars! Appreciate the combination of the beauty of art, science, and music that makes a fun activity to build. Comes with step-by-step, easy to follow DIY assembly guide. All tools included. Average assembly time is 2.5 Hours. Recommended age 14+. Laser-cut technology makes the wooden puzzle pieces pop out smooth with no burrs or rough edges. Non-Toxic Plywood, 84 piece set. Let's you enjoy the melody - "MEMORY FROM CATS".