Try doing this several times until you have pressed it with just the right amount of pressure. Once you hear the click on the machine, you will win the jackpot. You can also press down on the side of the slot just hard enough so you can press on the numbers hard enough. You can slot the parts of the slot down with your just finger by pressing on them. If you time it right, you can win the jackpot yourself.
In this video, we learn how to hack a toy slot machine.