DIY eraser making kit to make yourself cakes DIY set to make your own pastry erasers with molds for cakes and tarts by Kutsuwa, import from Japan, not edible! content: clay mousse in red, blue, yellow & white, mold set (cakes), box for cooling the mold size of the box:, width: 10cm (4"), height: 8.2cm (3.2"), depth: 10cm (4") incl. instructions with pictures, 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 eraser