Walmart has the 20-Piece Martha Stewart Everyday Aluminum Bakeware Combo Set for $25 with free shipping with Walmart+ (free 30-day trial), $6 shipping, or free shipping on $35+.

Includes 6-cup muffin pan, 8" round cake pan, 15" cookie sheet, 13" baking sheet, two silicone mats, cooling rack, four measuring  cups, grater, stainless steel whisk, silicone scraper, silicone brush, and five cookie cutters.