colour these 30 original designs to make the interlocking rings, cubes, and other shapes stand out. Some visual illusions will even seem to move back and forth.
| ISBN: | 9780486231723 |
| Publication date: | 1st February 2000 |
| Author: | Jean Larcher |
| Publisher: | Dover Publications an imprint of Dover Publications Inc. |
| Format: | Paperback |
| Pagination: | 30 pages |
| Series: | Dover Pictorial Archive Series |