Description: The tangram Chinese pinyin qqiobn literally seven boards of skill 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 in the world A Chinese psychologist has termed the tangram the earliest psychological test in the world albeit one made for entertainment rather than for analysis
By: dordy
Date: 2017-07-24
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TANGRAM sourced from Openclipart is licensed under CC0 1.0
* Note: Date might not match original source and might be an educated guess.