Use a poster board, any kind of squared wood for bottom with edges & Christmas lights; cut any size holes in posterboard; Christmas lights sit on bottom of square; shape the poster board & use a thin line of hot glue to hold them together = nightlight.
twin sheet folded long ways. Sew 5 sections to the size of pillowcases and slipped the pillows in. I left each 'pillow compartment' end open so the pillows can be removed and we can wash the cover. Kids love it on the family room floor!