Now you can doodle in 3D! Just place the pencils in the compass so the tips almost meet; blue in the left and red in the right and you`ll be ready to draw your €œdouble doodles. Wear the 3D glasses and watch your images €œjump off the page. Set includes compass, two pencils (1 red and 1 blue), and 3D glasses. Measures 9 3/8 H x 5 1/2W. For best results always draw with the blue pencil directly to the left of the red.