"They sure will. I suggest finding a local theatrical supply shop only because it gives you the chance to get help picking out just the right colors. But a variety pack bought online is fine, too, though it won't include clear (actually,…"
"Stained glass paint works, but it's difficult, almost impossible, to remove. What you want are "gels," which are used to color spotlights in theatre. Here's how I'd go about it:
The Cosmic Window came with an assortment of…"