This is a peg solitaire board game (wooden base, natural stone pegs). Please search for "peg solitaire" to learn how to play. Regarding the condition, the wooden base is handmade, so there may be some imperfections (that's why the product condition is listed as "used"). The natural stone pegs are all 37 pieces, with no missing ones. Since the natural stones are not artificial, some may contain cracks or inclusions (internal imperfections) from the formation process. Please refrain from purchasing if you are concerned about the condition, as this item has been stored by a private individual. Regarding size, the wooden base is approximately 23cm in diameter, and the natural stone pegs are approximately 18-20mm in diameter (the crystal in the center is about 16mm). Shipping will be via the anonymous and insured Rakuraku Mercari service.