OGANIKA DIamonds expansion is a themed puzzle pack of 36 cards of increasing complexity. 

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Based on the geometric construction of a diamond or rhombus, the puzzles develop in a step by step manner becoming increasingly difficult at each stage.

 

Reflection on previous solutions builds a subtle awareness of these construction types, which in turn helps solve further puzzles within the pack.

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The following illustrates the first 3 cards from the pack, whilst clicking on this link will take you to a short printable explanation booklet.