1280 - Large Foam Block/16x16x3

#1280 - 3 x 16 x 16 - for you to shape as you need!

floraCraft Foam Block 1.8 inch x 11.8 inch x 17.8 inch White

6 Pack Foam Blocks for Crafts - 12x4x2 Polystyrene Brick Rectangles for Art Sculpting, Flower Arrangements, DIY, Packing : Arts, Crafts & Sewing

Block - 3 Thick x 12x 12 - Sytrofoam – The Craft Place USA

Craft Foam Block - 6-Pack Rectangle Polystyrene Foam Brick Foam Blocks for Sculpture, Modeling, DIY Arts and Crafts - White, 12 x 4 x 2 Inches

Giant Sculpting Foam Blocks - Insulation Company of America

FDP 10414-AS Stack-a-Block Big Foam Blocks, blocks

Large EPS Foam Blocks

Juvale Foam Rectangle Blocks for Crafts (12 x 4 x 1 in, 12 Pack)

Craft Foam Blocks: Ideal for DIY projects, school projects, dioramas, models, signs, and table decor, our foam rectangles are the perfect starting

6 Pack Foam Blocks for Crafts - 12x4x2 Polystyrene Brick Rectangles for Art Sculpting, Flower Arrangements, DIY, Packing

Soft Builder Blocks, Foam Shapes, 16-Piece

Foam Block, High Density Foam Block for Needle Felting,

1280 - Large Foam Block/16x16x3

Craft Foam Square Blocks, High Density Polystyrene

Giant Sculpting Foam Blocks - Insulation Company of America