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The tangram (Chinese: 七巧板; pinyin: qīqiǎobǎn; lit. 'seven boards of skill') is a dissection puzzle consisting of seven flat polygons, called tans, which are put together to form shapes. The objective is to replicate a pattern (given only an outline) generally found in a puzzle book using all seven pieces without overlap.
Construction of the Egg of Columbus "tangram" puzzle with dimensions – some versions split the white triangle along the dotted line. The Egg of Columbus (Ei des Columbus in German) is a dissection puzzle consisting of a flat egg-like shape divided into 9 or 10 pieces by straight cuts. The goal of the puzzle is to rearrange the pieces to form ...
An enthusiast of Tangram puzzles, Loyd popularized them with The Eighth Book Of Tan, a book of seven hundred unique Tangram designs and a fanciful history of the origin of the Tangram, claiming that the puzzle was invented 4,000 years ago by a god named Tan.
The Tangram Book, with Dieter Gebhardt, Jack Botermans, Monica Ma, Xiaohe Ma 2003 ISBN 1-4027-0413-5 Sterling Publishing Company (Comprehensive, illustrated history, 1,756 problem figures) beautiful photos of historic Tangrams from Asia, Europe and America; The 15 Puzzle, with Dic Sonneveld, 2006 ISBN 1-890980-15-3 Slocum Puzzle Foundation.
Some types of dissection puzzle are intended to create a large number of different geometric shapes. The tangram is a popular dissection puzzle of this type. The seven pieces can be configured into one of a few home shapes, such as the large square and rectangle that the pieces are often stored in, to any number of smaller squares, triangles, parallelograms, or esoteric shapes and figures.
In this category, the puzzle is present in component form, and the aim is to produce a certain shape. The Soma cube made by Piet Hein, the Pentomino by Solomon Golomb and the aforementioned laying puzzles Tangram and "Anker-puzzles" are all examples of this type of puzzle. Furthermore, problems in which a number of pieces have to be arranged so ...
Hands On! Tangrams is a puzzle game for Nintendo DS. It was released in North America on November 24, 2009. Tangrams are an ancient set of Chinese moving puzzle pieces that today entertain and challenge people across the globe. Dating back to well before the 19th century, these seven simple shapes or “Tans” come together to form hundreds of ...
The names Egg of Columbus and Columbus Egg have been used for several mechanical toys and puzzles inspired on the legend of Columbus balancing an egg on its end to drive a point. Typically, these puzzles are egg -shaped objects with internal mechanisms that make the egg stand up, once the user discovers the secret.