The tangram is a kind of puzzle game consisting of seven flat shapes, called tans, which are put together to form shapes. Your goal during playing this puzzle game is to form a specific shape (given only an outline or silhouette) using all seven pieces, which may not overlap. This game has its origins in China, and was brought to Europe by trading ships in 19th century. Nowadays, it still remains between one of the most popular dissection puzzles in the world. Have fun.