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

COMPACT SIZE - Product Dimensions: 4.5 x 4.5 x 4.5 cm. Weight: 20g. Neat addition to a desk or table, worth displaying! It is so attractive that it can easily be used as a decoration in a den, family room, living room, desk, office or waiting room.

RECYCLABLE MATERIAL & HANDMADE WOOD - Assemble the different wooden pieces into a diamond shape. Precision 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, handcrafted from premium quality, all-organic wood by the finest master craftsmen using only timeless traditional methods and techniques. It is made of sustainable wood with environmentally friendly and non-toxic paints.