Literally meaning 'seven boards of skill', which Chinese puzzle game's objective is to create a shape using seven non-overlapping flat pieces?
Tangram Tangram The tangram () is a dissection puzzle consisting of seven flat shapes, called "tans", which are put together to form shapes. The objective of the puzzle is to form a specific shape (given only an outline or silhouette) using all seven pieces, which may not overlap. It is reputed to have been invented in China during the Song Dynasty, and then carried over to Europe by trading ships in the early 19th century. It became very popular in Europe for a time then, and then again during World War I. It is one of the most popular dissection puzzles
Lucky Seven (game) Lucky Seven (game) Lucky Seven is a fast game of competitive solitaire, played with coasters using luck and points accumulation.<br> Solitaire, (usually) played by one, Lucky Seven may be played by any number of players. Seven has long been regarded as a number of perfection, luck, and wonder. The game was designed by Martin H. Samuel when in Zürich, Switzerland.<br> Simple though the game may be, the game mechanic is a mathematical formula known as a strange loop. Great American Puzzle Factory, Inc. of South Norwalk, Connecticut, United States, published the game in 2003. Family Games, Inc. of Montreal, Quebec,