Your kaleidoscope should let enough light in to see your shiny bits, the page protector should be reflective enough to create a slight mirror effect, and there should be enough room in the plastic wrap for the bits to move around as you turn the tube.
I added too many shiny things on my first try at making a kaleidoscope, so the bits didn’t really move around, so I took the parchment paper off, removed some bits, and reattached the parchment. It worked much better then.You want to have a very shiny piece of plastic inside. You may want to wipe off your page protector or report cover if it’s an old one.
Try all kinds of shiny bits. I used flower shaped Legos in mine! Colored sand would be fun.
specular reflection, aesthetics