Joann's Crafts, WalMart, Walgreens and the local grocery stores are the best places to shop in Tooele area, but online we suggest Amazon & DickBlick. Their store in SLC - Sugarhouse - is excellent. Sign up for their emails and catch the big sales. Michaels Crafts in SLC has good prices also.
Let us know if you have a source you'd like to share.