A year-round supply of lovely flakes.
There's nothing like the sight of gently falling snowflakes outside the window. Too bad they're so impermanent.
But you can make your own unmelting snow substitute. It's fast, easy, and looks realistic. In fact, Popular Science used it as set dressing for this snowball slingshot.
Check out the video for instructions. All it takes is water and an ingredient from an unlikely source: disposable diapers. Just make sure they're unused ones—nobody likes yellow snow.