Here is another kaleidoscope that can create trippy patterns with a simple marble and changing lights. The Randel Art Glass Rod Marblescope is handmade by Randel Hutchinson. It lets you use your own custom marbles, so it never gets old. It measures 10″ long with 6mm diameter long rods.
You can find these fine kaleidoscopes on eBay. The above video shows what you can do with one.