Superhero wall art - Batman Supplies - 20x20 canvas, acrylic paint, charcoal, and some paint brushes are all you need. Instructions - Print out a 20x20 print of your favorite superhero logo. Rub charcoal over the back of the printout. Place print out charcoal side down onto the canvas in the desired position. Trace edges of logo with end of paint brush to transfer image. Remove paper and discard. Paint the canvas with the colors of your choice! So easy!!