Since the Ninja Slushi launched in July, it has sold out multiple times, despite its $300 price tag. The viral gadget promises at-home, movie-theater-like slushies with any beverage of your choice.
Thanks to Vegas' open container laws, I was able to take it to the streets with me as I walked back to my hotel after a slimy-yet-satisfying Taco Bell meal. But I ended up throwing it out after ...