Black Friday might be over ... Engineering, and Math) toys on sale that are perfect for kids, teens, and even adults who love to tinker and experiment. SEE ALSO: Finding a gift that kids actually ...

A quick look at the best Black Friday Roomba deals So many robot vacuums go on sale for Black Friday that decision fatigue is imminent — unless you're specifically set on a Roomba, that is.

That brings the 512GB model down to $1,219.99 without trade-ins. The same sale is live at the official store besides the mobile app. Before you continue, we recommend checking out our Black Friday ...