DIY eraser making kit to make yourself sweets eraser with Flavor DIY set to make your own macaroons, cupcakes, short cakes & waffels for cellphone charms, magnets, jewelry etc., can also be used as erasers! not edible! the clay is very soft and is called "Fuwa Fuwa mousse" in Japan, "Fuwa Fuwa" means "soft like a cloud" in Japanese width: 10cm (4"), height: 8.2cm (3.2"), depth: 10cm (4"), 1) press clay into mold, 2) put the modelled clay into the box & add water 3) put the box into the microwave for about 2-5 minutes, 4) remove hot water and add cold water to harden the clay