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.
Publisher: Usborne Publishing Ltd
ISBN: 9781409507796
Number of pages: 52
Dimensions: 160 x 102 x 26 mm
Interest age: From 6 years
Weight: 290 g
Language: English
'You can always rely on Usborne to come up with ideas for entertaining children and their packs of Usborne Activity glossy wipe-clean cards...are a brilliant idea' - Newbury Weekly News
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