Press the space or click with the mouse to move the pin. Try and press the up space/mouse when the pin is on the dot. If you miss the dot you lose. Up arrow/Mouse to restart/continue. For each lock, you must get the count down to 0. Each time you hit a dot the count goes down by 1. Every round, 1 more is added to the starting count.
Reach level 15 and get 500 tickets.