"Chalk art" refers to the practice of creating drawings or designs using chalk or chalk-like materials on surfaces like sidewalks or chalkboards. Full definition
The artists were setting up booths and some were doing sidewalk chalk art. (gnomelover.com)
I love chalk art, and I haven't created a new piece for my large chalkboard since Christmas. (oursouthernhomesc.com)
-LSB-...] Welcome Autumn Chalk Art from Elegant Nest Pumpkin Cookies from Twelve O Eight Pumpkin Chocolate Cheesecake from Will Cook for Smiles Plastic Pumpkin Makeover by Happy at Home Twine Pumpkins -LSB-...] (willcookforsmiles.com)