You can put it in hot water to create your desired shape; As a material for super balls and sweets decoration. Can be used for molding. Mix colors or put in molds and create any shape you like for play! Basic How to Build Yumaru: 1, add hot water (over 176°F (80°C)). It will soften in 2 to 3 minutes. Wipe off water well. 3. Make the shape you like while soft