Clay

Laguna Modeling clay:
Low Fire white or terra cotta-5 lb.and 25 lb. boxes
High Fire "Throwing clay" Amador- 25 lb. boxes
High Fire B Mix- 25 lb.

Sculpey: 1.75 oz, 1 lb, and 10 lb. boxes

Fimo: 1.75 oz.

Das Pronto and Das Terracotta self-hardening clay: 1 and 2 lb. packs.

Model Magic

Plastalina Clay:
Roma Plastalina- available in hardnesses 1 (soft,) 2 (medium), 3 (Med-Firm), and 4 (Firm).

Van Aken Plastalina: in 1 or 5 lb. packages, in a wide variety of colors.

Activa:
Art plaster
Celluclay
Fast Mache
Insta Mold

Castin' Craft:
Casting Resin

Liquid Latex Mold Builder

Envirotex:
Pour-on high gloss finish

Wire Modeler's mesh
Art Emboss sheets