Brain teasers - Intellectual educational toys originated in ancient China, called Kong Mingsuo. Wooden game with fun logical thinking, great for developing the brain. Nice challenge for adults and kids alike. The perfect gift as a family game and as agift for kids. A beautiful addition to a desk or table and worthy of display, this is very attractive and can easily be used as a decorative addition to a den, family room, living room, workbench, office or waiting room. Recycled materials and handcrafted wood - Assemble different wooden pieces into diamond shapes. Precisely assemble different parts into 3D shapes. These educational toys will challenge your intellect by stimulating amazing creativity. It requires carefulobservation and thought, analyzing its internals as it is assembled. UNIQUE - Each puzzle cube is completely unique, handcrafted from premium quality all organic wood by the finest master craftsmen using only time-honored traditional methods and techniques. It is made of sustainable wood and environmentally friendly non-toxicpaint. HIGH QUALITY, BUY WITH CONFIDENCE - We fully stand behind our products and want to provide our customers with a 5 star experience. Shipping Quantity: 1 piece Package Contents: Only the above package content, other products are not included. Size: 4.5*4.5*4.5cm (Reminder: The size is measured manually, please allow 1-2cm measurement error) color: brown (Due to different monitors and lighting effects, the actual color of the product may be slightly different from the picture color.) Products from LUOLV's store