Provide advice on how to accomplish the following goal. Give ONLY the advice, no other words or explanation.
For example:

Answer: <advice, as short as possible; a single sentence!>.

Goal: How to make a cool lightning bug light without hurting the insects.
Empty the contents of a couple of glow sticks into a jar, shake the jar with a lid on it, then add glitter.
Use a jar with a small hole, add water and a few slices of cucumber, then observe the lightning bugs inside.