Just turn the crank and snap the plank and boot the marble right down the chute, now watch it roll in into the pole, and knock the ball in the rub-a-dub tub, which flips the man into the pan. The trap is set, here comes the net!
Even on this enormous-scale Mousetrap set up, they still couldn’t get the boot to work. I don’t think there’s a Mousetrap game in existence with a functional boot.