Put together the jigsaw puzzle then use the Duo-tip Markers to color it in! Use the included full size 11 in. x 15 in. poster of the puzzle design along with a number guide and markers. The Faber Castell Duo-tip Markers Set of 12 offer twice the number of colors for double coloring fun. Then discover 5 glow-in-the-dark objects hidden in the design. The completed 100 piece puzzle is 11 in. x 15 in.