The Days Ago Digital Day Counter ($10) is the solution to so many of our problems with food spoiling in the fridge and other time-sensitive needs around the house. Attach a counter to your leftover tupperware, water filter, cat litter box, prescription medication, wine bottle, and so much more. This ingenious device is the first digital day counter that lets you know how many days have passed since you first (or last) used many of your household products. Each package comes with two counters in four fun colors. Now, you'll never have an excuse for forgetting.