Popsugar Living Home Renovations Ways to Use WD-40 13 Ingenious Ways to Use WD-40 Around the House August 30, 2020 by Kate McKenna View On One Page Photo 13 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 13 To Clean Crayon Marks Great news for parents! WD-40 is perfect for removing crayon marks from walls, floors, and pretty much anywhere else your kids can reach. Previous Next Start Slideshow Home RenovationsCleaningWD-40