I found a delightful item posted by GrrlScientist this morning (Dec. 8, 2011) on the Guardian science blogs,

The holidays are stampeding down upon us. Everyone is excited and busy. But maybe you wish to take a little time to do something special with your family? Here’s a sweet little kitchen science project that you can do: grow your own snow-covered Christmas tree through the wonders of chemistry!

Here’s a video demonstrating this Christmassy home project,

You can find this video and others here on Steve Spangler’s YouTube Channel. You can also find a full set of written instructions for the ‘Magic Crystal Tree’  here on Steve Spangler’s website.