Be warned - when you divide all the pieces at the beginning, you better watch what you are doing Otherwise you will get lost when trying to solve this difficult puzzle. These puzzles are made from many types of both European and exotic woods: beech, oak, walnut, ash, maple, elm, elm, locust , larch, cherry, birch, mahogany and other exotic woods. The wood is properly dried and carefully processed with great care. The Wood used in the puzzle is NOT dyed, impregnated and NOT painted, but it is treated only with wax. This may present a true natural beauty of the wood. Unique puzzles effect is achieved by a combination of different types of wood and wood with different color and pattern of the wood grain (which is never the same).