Remember this style of timer? If it brings back wonderful memories of childhood consider using it to make your paperwork more fun. Make a game of how much paper you can sort through in 15 minutes. And this timer also makes the passing of time visible.
For every rude comment I hear we put a marble in the jar. For each marble we multiplied by and that was how many minutes of Fun Friday they missed! Play the classroom friendly social language games at Looks-Like-Language to reinforce nice behavior!