Kaleidoscopes are trippy to play around with. They can be quite expensive depending on their design, but you don’t need a super expensive one to see trippy patterns. The Can You Imagine Kaleidoscope has a microscope like design. It has 3 colorful tubes and a built-in LED light that you can turn on/off to explore patterns.
You can use this kaleidoscope on its stand or hold it in your hand.