By filling first layer of different colorful Eraser Glue into each special designed individual cavity of one Silicone mould, kids can keep filling the 2nd layer to cover up whole silicone mould. After putting oven dry at 150 deg C for about 30 minutes, a multi colorful eraser is born. Kids can create their own design of Eraser by filling different color of eraser glue which is preloaded into syringe for easily filling into each cavity from the silicone mould.