Blow cellulose into a demonstration wall, allowing students to view how cellulose is distributed in an empty wall cavity and a wall cavity with fiberglass insulation in it.
by Ask Me For A Balloon
by nadelspiel * Stricken & Häkeln
by Get Set Create
by Creation in Between
by Backyard Crafts
by Loom Knitting with Joanna
by WoolyWondersCrochet