Puzzle Cards no pen – serie

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1. 

   50 Optical Illusions

   Av Sam Taplin

   2009

   114 kr

   Lägg i varukorg

   A set of 50 of the most amazing optical illusions ever created. Each card has a mind-boggling illusion on one side and an explanation of how it works on the other. Includes a "revealer" card to help check colours and take measurements to show that seeing really is believing.