Raymond Geddes In Motion 3D Bookmark, 50 Pack (69012) Go to amazon.com Related posts Top recommendation for optical illusion bookmarks FeatureAssorted designs motorcycles, Polar bears, dolphins, sharks, horses, and moreAssortment of 10 designs2 1/8" x 6 1/8" DescriptionAngle the bookmark to create fun, 3D Illusions. Check out our other great Raymond Geddes supplies and accessories as well!