12pcs Wooden Brain Teaser Puzzles, IQ Challenge Puzzle Games, Logic Smart Mind Puzzle Box Lock Toy Removing Assembling 3D Small Puzzle Gift Set for Adults Teenagers Kids, 1.8inch 4.5cm

Wooden Puzzles - China’s ancient and traditional intellectual games have a long history and have very mysterious mathematical principles and logical principles. The small shape has greatly tested and trained people's IQ level. A nice challenge to adults.Clever Design - A variety of shapes, enjoy unlocking. The tenon and tenon structure, which originated in ancient Chinese architecture, is very ingenious. When assembling, you need to observe carefully, think carefully, and analyze its internal structure. It helps to develop the brain and flexible fingers.Perfect Gift - 3D brain teaser can take anywhere. In the car, at school, at home, or at the office. They’re mini and super light and can fit in your pockets. Travel must-have. Perfect gift as family game and gift for your friends.Delicate Decoration - Product dimension: 4.5 x 4.5 x 4.5 cm. Handsome addition to a desk or table, worthy of displaying! This one is so attractive that it can easily be used as a decoration in a den, family roo