Cray-pen #CP6-3 wax pucks. Six variety colors: neon blue, neon green, neon yellow, neon orange, neon pink, neon purple. Paint with color wax pucks-dries in seconds! Less expensive than oil paints, eco-friendly, and achieve oil painting effects! Simply dip the tip of the Cray-Pen into the wax puck and apply to your surface for endless creativity.