This toy is completely powered by salt water! It comes with magnesium sheets which, when mixed with salt water, can power the car for 5-7 hours. Maybe someday cars can be powered by tears and we can actually harness sadness for energy!
Silicone bottle caps that keep your beer fresh after being opened. Sometimes you crack one open and then realize later that you can't finish it. We know, it's ever so rare, but at least these let you savor your expensive craft beer!