This blue large cell expanded foam is 2 lb. per cubic feet density and cuts easily using a hot wire to airfoil shapes. Compatible with most adhesives,
3/4 in. x 1.25 ft. x 4 ft. R-2.65 Polystyrene Panel Insulation Sheathing (6-Pack) 150705 - The Home Depot
What is Expanded Polystyrene (EPS) foam? The possibilities are endless!
Styrofoam Blocks Home Depot - Search Shopping
Styrofoam Letters 3D 12, Styrofoam Numbers 12 Inches,large Free Standing Letters,baby Shower Decor,party Decor, Block Number and Leterr
Styrofoam Sheets 4'x8'x2 - Search Shopping
Polyethylene Cylinders
Pond & Stone with Smart Dispenser™
Poly Epoxy Structural Epoxy System
Large Foam Letters Custom 3D Fabrication Services - WhiteClouds
Divinycell Foam Pvc Aircraft Spruce Canada
5x Foam Balls, Big Foam Balls, Large Styrofoam Balls, Floral Foam, Foam Craft Balls, Craft Foam, Arts and Crafts for Kids - Bulk