5 Sheets White Foam Boards--Sand Table Building Model Materials 2mm / 3mm Thick Foam PVC Sheet Poster Board Mount Board for Mounting, Crafts, Modelling, Art, Display, School Projects - Walmart.com
Foam Board, White, 22" x 28", 5 Sheets | Bundle of 10 Cartons - Walmart.com
Foam Core Backing Board 3/16" White 1 Side Self Adhesive 18x24- 100 Pack. Many Sizes Available. Acid Free Buffered Craft Poster Board for Signs, Presentations, School, Office and Art Projects - Walmart.com
Two Cool Tri-Fold Poster Board, 24 X 36, White/white | Bundle of 5 - Walmart .com
Foam Core Backing Board 3/16" Black 12x24- 5 Pack. Many Sizes Available. Acid Free Buffered Craft Poster Board for Signs, Presentations, School, Office and Art Projects - Walmart.com