There is a toy in Korea that can be turned into a decoration by placing beads on oiled paper and ironing it with an iron. What is it called?

PERLER BEADS (Pinpin Doudou) has been established for more than 25 years. Its products are not only a famous educational toy brand in the United States, but also a pioneer in international educational toys. Today, PERLER BEADS (Pinpin Doudou) has become popular in China. , Australia, Canada, Japan, South Korea and more than 20 countries, it has become an indispensable educational puzzle toy for children. PERLER BEADS has no age limit, but has unlimited creative space. It can be imperfect. Stick to the constraints of the template and use your imagination and creativity at will. Any pattern you like can become your work. Whether it is given to relatives and friends or kept for yourself, it is a precious gift.