Junk Food Molding and Cooking Gum. Patagom is a fantastic paste to create its own erasers. Take a piece of Patagom in your hands, the texture is soft and malleable. Simply mold it, the colors are miscible between them, that is to say that you can get new shades of colors by mixing them. Realize your creation with the plastic mold (size per piece 3 cm), then put the gum paste in the oven for 15 min at 120 ° C. Take it out of the oven and wait for it to cool down. The eraser works just as well as a standard eraser.