Educational Cards (30 Oct 2009)
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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.
| ISBN: | 9781409507796 |
| Publisher: | Usborne Publishing |
| Imprint: | Usborne Publishing Ltd. |
| Pub date: | 30 Oct 2009 |
| Language: | English |
| Number of pages: | 52 |
| Weight: | 292g |
| Height: | 156mm |
| Width: | 103mm |
| Spine width: | 27mm |
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