Ever wanted to build your own voltage generator for fun and profit? YouTuber ElectroBOOM shows how with stuff that available at better hardware stores.
Quoth Mehdi, "Who doesn't love big hair raising ARCS?! Van De Graaff generator with its balls of thunder is the king of static! You can easily make your own."
If that's too much work, or if it's out of your budget, option two involves a balloon, carpet, and maybe a furry pet for good measure.