Homemade Hand Warmers
Forego buying expensive hand warmers and make your own! You’ll need water, two sandwich bags (one large and one small) and calcium chloride. Pour the compound into the large bag, and then pour the water into the smaller bag. But the smaller bag into the larger one and break it. This will create a chemical reaction and it’ll become warm. Warning: do not let this touch your skin.

Homemade Hand Warmers
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Bubbles In The Cold
Although this may not be a hack, it is fun! When it’s chilly out, head into the cold and blow bubbles with dish soap. Make sure your soap is cold and the outside air temperature near freezing, your bubbles will freeze in minutes…or even seconds!

Bubbles In The Cold