Some of EB's recommended resources...

•    is a great source for all your needs. Most of the supplies you'll need can be purchased there, including very inexpensive shadow boxes.

• Van Dyke’s Restorers sells convex glass at a very reasonable price.

• Orris Root is the traditional potpourri fixative, however it can be expensive and hard to find. Save-on-crafts.com sells a very good substitute for a small amount of money.

• Fine white play sand is an inexpensive substitute for silica gel.  Home Depot sells a 50lb bag of white play sand for under three dollars