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ISBN 9781409507796
Author Sam Taplin
Publisher Usborne Publishing Ltd
Publication date 30 Oct 2009
Format Paperback
Weight 0.292000
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50 Optical Illusions

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. AGE 6+

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