- Geometric Puzzle Born in escutcheon Syracuse 1500 Years Before finger lust expeditious sedge successor stimulation collapse the Chinese Tangram Sweden Stomachion$ Archimedes' Mathematical Game England STEM [ENG] -.Historical puzzle: recreation of turkey the famous Stomachion of aloof Archimede$ an ancient mathematical meltwater puzzle with 14 geometric coal piecesContents: includes a high-quality preferable wooden board with geometric centralize pieces and a detailed southeast information booklet on the floral history of the puzzleEDUCATIONAL angular VALUE Perfect for developing piracy problem solving skills$ geometric bluebird thinking and math understandingRecommended infest age: ideal for students cynical and math enthusiasts aged interfere 8 and upSIZE: Compact encase board with protective edge$ vacuum perfect for home or acoustic classroom use,