Presents a series of optical illustions and explains what is seen.

A wordless picture book presents a series of scenes, each one from farther away, showing, for example, a boat which becomes the image on a magazi

A wordless picture book presents a series of scenes, each one from farther away, showing, for example, a girl playing with toys which is actually

Introduces colors and shapes with illustrations of shapes on die-cut pages that form animal faces when placed on top of one another.