Literally meaning 'seven boards of skill', which Chinese puzzle game's objective is to create a shape using seven non-overlapping flat pieces?
Tangram Making a set of tans Qi qiao ban The Anchor Puzzle 七巧板 Tangrams Qiqiaoban Anchor Puzzle Tangram puzzle
qi qiao ban anchor puzzle making set of tans tangram tangrams tangram puzzle 七巧板 qiqiaoban
tangram
WikipediaEntity
Tangram