ROKR 3D Puzzles for Adults-Starry Night Music Box Kit-Wooden Puzzles Science Gifts for Adults-Gifts for Teenage Boys Girls

【Gear Rotation Musical Box】Wind-up by turning the bottom spring,release and it rotating,the dream musical box will play the mellow melody of "Memory Form Cats". As the tune plays,Gears and five-colors magic balls will rotate slowly.

【No Glue Needed】Unique Mechanical 3D Puzzle,laser-cut ply wood,no tonxic,environmental friendly,smooth wooden board.All pieces are pre-cut,no glue needed.The interlocking mechanisms are pretty ingenious.

【Detailed English Instruction】Making this mechanical model toy requires not only attentiveness but also patience.Feel the pride of assembling this entire IQ toy set-up with your very own hands.

【Perfect Decoration】Beautifully detailed wooden carving around the body of the music box.Exquisite workmanship,gorgeous beautiful star base looks very perfect.The 3D wooden puzzle has decorative designs that look captivating in the finished product.

【Creative Gift】What a fascinating thing to see wooden music box coming to life by your own hands.Best Holiday gift for your boyfriend,girlfriend,husband,wife who is model builder or puzzle lover.It looks so cool and creates a decent challenge for an adult.