Here's a very intriguing book that promises hours of entertainment for both older children and adults. Five two-page spreads printed on sturdy card stock present mind-boggling optical puzzles,... This description may be from another edition of this product.
This is a WAY less intricate book than the others from the author. There are very few inserts and just a few pages. This book is quite uninspiring compared, for example to The Brain Pack, probably the most fascinating in terms of construction, presentation and content) of the hundreds of books I've read.
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