Hacked Wall Clock (after Lord Vetinari)

This clock ticks erratically but still keeps accurate time. Its mechanism has been replaced by a programmable chip that emits 64 randomly spaced ticks every 64 seconds.

Quacking Oven Timer

The kitchen stove had no timer. Hannah had grown out of the waterfowl-themed slippers that she had been given. What came next? A schlock quack duck cook clock hack.