The other day my youngest daughter (nearly 4 years old) helped me to sort through my stash, and pounced upon these yarns. She promptly asked me to knit me something with them as she's really into rainbow colours at the moment.
One is a blue acrylic with multicolour flecks, and the other is a bright green cotton/acrylic mix eyelash yarn. They're both 4-ply so I combined them to produce an aran-weight yarn which we both love.
I swatched, and promptly composed a cardigan pattern using my Knitware Sweater Design software, and here it is so far.