This reminds me a little of some sabotage I pulled about 20 years ago. A despised coworker brought in a toy gumball vending machine based on her favorite comic strip character. It made these annoying sounds whenever someone pushed the head of the comic strip character to dispense a gumball. A few months later, she left the company so I though I'd finally be rid of the annoying machine as well as her.
But she left the machine with another division's secretary who happened to sit nearby. The secretary, who was also annoying to me, left it on top of the counter near her cubicle, so I still had to listen to it a lot and now had to see it far more often as her area was more out in the open.
One weekend a few weeks later, I went to the office and sabotaged it. I was able to cut the battery wire to deactivate the machine. It was still visible on her counter, but it made no noise or dispensed any gumballs any more. Nobody suspected sabotage, as there was no external damage.
Six months later, the secretary got laid off. Good, I thought, she'll take the machine and I'll be rid of it at last (and of her, too). But to my surprise, she didn't take it with her. There it was, still on the counter of a vacant cubicle. But now, it belonged to nobody, as it was merely abandoned property. The next day, I went to the office and stole it. Nobody suspected theft, as most people thought she took it home.
A few months later, on the original coworker's birthday, I took a hammer to the vending machine smashed it to pieces! What a joyful release of all that pent-up rage, at the coworker, the secretary, and the machine. I did keep the plastic head of the original comic strip character as a memento, the way a hunter mounts the head of his slain animal.