Wooden brain teaser puzzle for adults and older children. The challenging mind game Soma Cube was invented by Piet Hein in 1933. Seven pieces made out of unit cubes must be assembled into a 3x3x3 cube. Looks simple but difficutl to build the cube. Challenge yourself and your friends. It improves one’s lateral thinking. Ideal family gift and special gift for him. A nice item for the coffee table. Toys of Wood Oxford Limited, based in Oxford UK, specialises in fine quality multifunctional wooden toys with brand name ‘Toys of Wood Oxford’ or ‘TOWO’ and children’s fancy costumes ‘Fun Play’. Toy safety and children’s happiness are our top priorities. We make our wooden toys with pure love and care for our children and the environment. We are specialised in fun and educational wooden toys for children, with a wide range such as wooden puzzles, sorting toys, stacking toys, pull-along toys, educational and Montessori learning toys, matching toys, building and construction toys, family games and wooden brain teaser puzzles etc. Our products are made and sold by Toys of Wood Oxford Ltd exclusively on Amazon. We do not sell on Ebay or any other market place. All of our products meet the criteria set by the EC Toy Safety Directive and the CPSA Standards and tested and certified by International Accredited Labs. We pride ourselves on providing good quality products and first class customer service. We hope our products will bring lots of fun and enjoyment to your children and family.