Insta-Snow Powder by Steve Spangler Science Effect Just Add Water!Insta-Snow is an amazing superabsorbent powder that looks like real snow when you simply add a small amount of water! This special powder expands to 100 times its original volume to make the most amazing faux snow you"ve ever seen. Great for parties, decorations, science fair projects, photography or as a magical demonstration to amaze your friends! Insta-Snow Powder is available in three different sizes: Jar (100 grams) with activity guide (enough powder for 2 gallons of snow!) Bag (40 grams) with activity guide Tube (approx. 10 grams) with activity guide