Filters Filters Home > Office Supplies > Classroom Materials > Building Blocks Classroom Materials Building Blocks Classroom Materials Items [1] Chenille Kraft 4380 WonderFoam Blocks, Assorted Colors, 68/Pack CKC4380 Colorful WonderFoam® super high density foam blocks in a variety of shapes. Includes plastic carrying bag. Mfg Number: CKC4380 Manufacturer: Chenille Kraft Price $39.37 X Add to Cart