?myfamirea 12 pack black foam board 24\" x 36\", 3/16\" (5mm) thick board poster acid-free foam core, double sided foamboard sheets for projects, art, craft, presentations and wedding signage 24x36\"-12 pack black is up for auction in Arts, Crafts & Sewing. The current bid is $2.50, 96% below the $69.00 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.