Optical Illusion Play Pack

Optical Illusion Play Pack

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This fun and visually enticing pack gives kids something special: the opportunity to play with the images, not just look at them. It's created by the much-respected and prolific author, Martin Gardner, who wrote the "Mathematical Games" column in "Scientific American" for more than a quarter of a century. Gardner's numerous puzzle collections, as well as his expert writing on maths and science, have made him a force to be reckoned with in the field.Packaged right inside the book are lots of punch-out cards that will enhance every illusion, plus a vinyl pouch for safely storing the cards afterwards. So when children try to figure out if the two differently shaped tables in a picture are actually the same size, they can see whether they're right by laying a "checkered tablecloth" over them both. Or they can pin a colourful rainbow disk to the page, spin it, and watch the colours "disappear." Each illusion gets an entire spread, with instructions, extra illustrations and sometimes sidebars, too.show more

Product details

  • 0-5
  • Hardback | 64 pages
  • 205.74 x 210.82 x 17.78mm | 476.27g
  • Sterling Juvenile
  • New York, United States
  • English
  • full colour throughout, includes illustrations
  • 1402733380
  • 9781402733383
  • 477,389