It’s always a good time to think about emergency preparedness. If you want to be able to stay in contact when the power has gone down for an extended period of time, then these hand-crank chargers with built-in emergency radios are a great idea for your home emergency kit. And they’re on sale today for as low as $26!
Learning about electricity, charge, and induction is a lot of fun, and one of the best tools for doing that is the Tesla Coil. Now you can have your very own mad scientist’s zapper on your desk with these Tesla Coils kits that will show off how electricity works and even play you a tune, starting as low as $20 today!