Original suggestion is "nail polish + recycled lightbulbs for garden art." I think they'd make cute Christmas ornaments, and there has to be better paint and glazes than nail polish, with its tiny brushes.
This pattern is for knit slippers, but I can totally see using a wool sweater and cutting and serging slippers from it! Home Slippers - DIY. this is knitting, but I bet I could use this to crochet some