COOPHYA 1set Hand Crank Music Box Mechanism Replaceable Music Box Movement Blank Paper Strips Puncher for Musical Assembly and Repair

Repairing fitting--psychology therapeutic function for you through listening to the soothing music,DIY musical movement
Replacement movement--holding this little music movement, hand crank style, and listening to the music, can soothe the ears,Replaceable Mechanism
Small movement--without noise, the hand crank musical mechanism is very professional, can also be a choice,hand crank musical mechanism
Mini movement--with this replacement musical box movement, you can create your own music box easily,Repairing Fitting
Compact movement--this is the musical stringed instrument , will bring happiness to your friends,Repairing Fitting