If you're talking about the Haunted House, I have the answer for it. When you click on one clock, the clock you're clicking on goes faster, and the other one gets slower. When both clocks strike 12 o'clock, you get the lamp.
Its because in summer, the length of pendulum increases and time period of clock increases causing the clock to run slower [Time period is directly proportional to length] and vice verse in winter.
A quartz clock is a clock that uses an electronic oscillator that is regulated by a quartz crystal to keep time. This crystal oscillator creates a signal with very precise frequency, so...