Kutsuwa Eraser Making Kit #1 - Doughnuts

(1) Product name: けしごむをつくろう! ドーナツのけしごむ (It cost 410 yen. For Ages 6 and up.) Brand: Kutsuwa (2) It’s not regular clay. It’s eraser dough (special substance). They are not scented. (3) Spraying water to the mold, the dough doesn’t stick to the mold. (4) The directions say “don’t put multiple of those dough in the microwave at the same time. It has to be one by one.“ Microwave heating times vary according to dough size. If you boil all of them at once, some of them would not become erasers, or eraser dough wo