An easy to make retro oven cupcake box with removable cupcake tray that Claudine Hellmuth sells as a printable in her Etsy shop. The box also can be used as a gift box, party centerpiece, favor box, paper toy, or just as fun decoration for your home.
T-shirt makeover. The directions for this were written in another language, but This seems like a fairly simple projects. Just cutting the back straight, creating a seam on each side, and using extra fabric to make a loop to "cinch" it on top half.