| For coloring book fans partial to optical brain-teasers are these 29 triad designs that play tricks with your eyes. The versatile design modules include small triads inside larger ones, triads with holes in the center, triangular triads centering around a star, and many other illusions.
Add color to the reality-defying shapes and voilĂ ! You're looking at images that will dazzle the eye and boggle the mind.
Book specifications: paperback, 32 pgs., 8 1/4 in. x 11 in.
Publisher: Dover, 2006 |