Chess and games which are offered by us, were qualified like artistic handicraft goods. It has certificate for all kinds separate goods. Boards for chess are made from birch plywood. Some chessboards are additionally hand-make /burn and weighted by metal/. Pieces are made from very hard hornbeam. This wood is not drying out more and it is unaffected for humidity. Above 95% production is sold to the west world markets. STAUTON Nr 4, 5, 6, 7 is tournament chess. It has suitable parameters for chessboard and pieces. Board of chess STAUTON is made from a birch plywood. Birch plywood is additionally veneering. Chess are allowable for children above 3 years old!