Each optical teaser in this challenging book is a small diagram that, when stared at or moved in a certain way, tricks the eyes. Brief directions show readers how to experience the teaser. Some of... This description may be from another edition of this product.
This inexpensive little volume is by far the best book you can give your kids to occupy their minds with while traveling, or just trying to get them to be totally preoccupied by themselves. Boys and girls will become absolutely glued to this book, pondering over it, and sharing it with their friends, as the large variety of black and white illusions are incredible in their effects. They will encounter images that flip-flop, topsy-turvy figures, geometrical illusions, impossible figures, and motion illusions. This is terrific value for the money. It is best for the ages of 6 to 12.
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