Add bright rich colors to your artwork with the Surebonder® Cray-Pen wax pucks. These neon wax pucks come in an assortment of 6 colors including blue, orange, yellow, purple, pink, and green. Simply heat your cray-pen, dip it in these color wax pucks and paint to your heart's content. You can color different surfaces like glass, canvas, wood, plastic, and more. These colors dry instantly, so you can complete your DIY project quickly.