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This game for two players comes from Ghana. However, stones that were marked for this game in the third century AD have been found near Hadrian's Wall in Northern England.

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Yih or Luk Tsut K'i or Three Men's Morris

Some puzzles requiring no knowledge of knot theory, just a careful inspection of the patterns. A glimpse of the classification of knots and a little about prime knots, crossing numbers and knot arithmetic.

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Lambs and Tigers

Investigations based on an Indian game.

Diamond Collector

Stage: 3 Challenge Level: Challenge Level:1

This game can be played against the computer, or against a friend.

The challenge is to draw three lines to gather as many diamonds as you can.

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