Instant Snow Powder- 20 Packs 20 Pack (10g./pack) premium quality Instant Snow-Science Gone Fun (Tm) is re-usable. NON-TOXIC. Will Make About 80 Cups of Fluffy Instantly Snow. Science Gone Fun (Tm) premium quality Artificial Instant snow is a synthetic polymer with super-absorbent properties. Each grain of powder instantly absorbs 100 times its size in water making realistic fluffy fake snow without the mess. This is the original quality products that; will last outdoor in the sunlight for 2 to 3 days, in indoors for 10 to 15 days. And, if it dries out a little, just spay water on it to re-hydrate. Harvest Size: Each pack (10g.) will make about 4 cups of fluffy instantly Snow. After mixing .you can place it in the freezer for 45-60 minutes and make snowmen. Great for: school science project, kids party, gift giving, goodies bag, stocking suffer, etc.