Aluminum Foil
Hot Glue Gun and Glue Sticks
Tapes: Masking Tape, Brown Scotch tape (Scotch 2517) , Duct Tape
Pool Noodles
Googly eyes
Great Stuff Foam Spray
Paper types: Brown Craft Paper, Blue Shop Paper Towels (like auto mechanics use)
Paste: No tip water pots, Wood glue, water, paint brushes
Other: Joint Compound for smoother finishing
Acrylic paint
Spray Paint (I usually always use spray paint as my primer base, and then acrylics for the detail work)
Feathers
Other Accessories (Gemstones, fabric trim, etc.)
An AMAZING resource for costume fabrics: Ice Fabrics