Originally Posted by Kas

I would get a cool glass jar with a lid and put the fun wooden spools in it as a display. The rayons should be fine, I'm thinking, but I really don't know. Are the varigated ones silk or what? Ya know, if you are worried about the strength of the thread, you can use it for thread painting on a wallhanging where the stitches don't have to stand up to the stress of constant washing.