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Presents optical illusions, some of which the reader constructs himself, showing relative sizes, color changes, and patterns that play tricks on one's eyes. Includes explanations of the illusions.
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Editions
2 editions- Paperback · English · 1980Troll Communications · 47 pages · 9780893754358
- Other · English · 1981Troll Associates · 47 pages · 9780893754341
Optical illusionsJuvenile literature