This is a book of phantograms for children 3-99, and has developed a strong following. 8-1/2" x 11" in size and featuring thirty-two pages of 3D wonder, the images are enjoyable for all ages. The text is geared for ages 10 and up, describing the basic nuts & bolts of how 3D imagery works. Almost all of the images are viewed with standard red-cyan 3D glasses.
Two pairs of 3D glasses included.