Simple as that blog shares a snowman craft using cotton balls to create a snowy texture.
Good for ages 5 and up.
Get the instructions here:
http://www.simpleasthatblog.com/2011/11/friday-craft-day-snowy-snowman.html
Sarah shimek posted to pinterest a fully cotton ball version.
http://pinterest.com/pin/115967759125711904/
All kids network has a version too using buttons and felt.
Get the instructions here:
http://www.allkidsnetwork.com/crafts/winter/cotton-ball-snowman.asp
Craft project ideas adds glitter to her version.
Get the instructions here: