Woyuosn Physics Mind Metal Puzzles Unlock Interlock Game

We use an integral forming process to ensure the puzzles are smooth and gentle to the hands. We use three layers of nickel plating to prevent rusting or bending with use. 

Playing this Metal Wire Puzzle can improve the ability to observe, understand, analyze, and reason; it can train divergent thinking and attract children's attention.

It's a cool gadget to share with friends and family.

It's a unique and exciting gift for stocking stuffers, Christmas, New Year's, birthdays, etc.

SIZE:20*15*3CM