My spouse and I are tired parents. We’ve come to terms with living in a messy home so long as we have a preschooler and preadolescent living under our roof. While we’re still working on creating those “Okay, you played with your Lego bricks, now put them away” habits, we still have the perpetual, unavoidable crumbs, spills, dust, and dog hair that need to be regularly removed from our kitchen and living room floors. But given all of the above, regularly is an aspirational term. When we bought our house, we splurged on a Dyson Outsize—the vacuum giant’s biggest cordless vacuum—that’s still chugging after five years. It’s a great tool for cleaning our wood floors and carpets, but some days it feels like just too much trouble to pick it up and give the floor a quick sweep. So when I saw Dyson’s sleek wand-style PencilVac, the “Dyson” part certainly piqued my interest. But I also brought a healthy dose of skepticism to just how effective such a small sweeper could be.…