The first trap is used to pull the crank which gets the board game going when the mouse steps on the pad (a piece of wood with padding prevents the bar from actually hitting the animal).

If you’re into tabletop gaming, you can’t go past Mouse Trap ... board, trapping other mice who are too busy eating cheese to notice they’re in danger. Most notably, newer versions of the ...

How to make a mousetrap simple electric and effective mouse/rat trap at home ...