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Attack of the 21 Nim

Planet Primary has reinvented the ancient Nim Game for your Interactive Whiteboard! This is so simple to learn, but will be a real challenge for your pupils to master!

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This is a 2 Player Game.

21 Aliens of Nim are attacking! Take it in turns to destroy the Nim by clicking on them. You may destroy 1, 2 or 3 Nim in each turn. Click PASS when you have finished.

The player to destroy the last Nim is the winner.


It is easy to play this game in your classroom using counters. As a follow up activity, you can ask the children to reveal their strategy. Can they find an 'unbeatable' strategy as Player 1, or Player 2?


YOUR DOWNLOAD WILL CONTAIN: 1 Nim Game (see demo below)


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