After you make the shape you like, you can heat it with warm water to make your own original eraser.Features: A fun material that allows you to create your own original eraser. Just knead, make any shape you like and heat it with warm water. How to Use: (1) Kneading the noodles well to create a noodle.Colors are available.(2) If you have formed the shape, please use boiling water for about 10 minutes.Please be careful when using fire.(3) Remove from hot water, use a towel to wipe dry.(4) Put the eraser down and youre done.