Ding!

We have a microwave in our kitchen. The operative words there are our and we, of course - if I had my way, if I had a choice, if I had a little gumption and a pocket with sixteen spare dollar bills in it (and, realistically, if I were a completely different person) I'd screw some feet to the thing to turn it into a step-stool and replace it with one of these:
...because unlike the microwave, that timer is sophisticated enough to count backwards from 3,600 twice at the same time.

(Available for sale at uncommongoods.com; link courtesy of boingboing.)