We're on day three of Prime Day (should it be Prime Week at this point? Here's everything our team has shopped so far during Prime Day. Looking for more Prime Day deals? Don't miss our guide to the Absolute Best Prime Day Deals and our Prime Day liveblog, plus our various guides to deals on Kindles, beauty tools, Dysons, mattresses, and so much more. —Kat MerckThe Cool Kid TumblerWIRED reviewer Louryn Strampe bought an Owala 40-ounce reusable tumbler on the first day of Prime Day, and it has already arrived to keep her hydrated until Prime Day finishes its wild run.