Brain Teasers - Intelligence puzzle toy originated in ancient China which was called Kong Ming Lock. Wooden games with interesting logical thinking and perfect for brain development. A nice challenge for both adults and children. Perfect gift as a family game and gift for your children.

COMPACT SIZE - Product Dimension: 1.8 x 1.8 x 1.8 inches (4.5 x 4.5 x 4.5 cm). Weight: 0.04 pounds (20 g). A neat addition to a desk or table, worth displaying! This one is so attractive that it can easily be used as a decoration in a den, family room, living room, work desk, office or waiting room.

RECYCLABLE MATERIAL & HANDMADE WOOD - Assemble the different wooden pieces into a diamond shape. Precisely assemble non-identical pieces into a 3D shape. These mental puzzle toys will challenge your intellect by stimulating imaginative creativity. It requires careful observation and thinking, analyze its internal structure when assembling.

UNIQUE - Each puzzle cube is completely unique, handmade from premium quality, completely organic wood by the finest master craftsmen using only timeless traditional methods and techniques. It is made from sustainable wood with environmentally friendly and non-toxic paints.