Avoid The Complexity Trap

A marble rolls down a ramp until it triggers a spring that lights a match, which, in turn, ignites a candle. The heat from the candle inflates a balloon, which expands until it pops. The burst of the balloon moves a lever that lifts a barrier holding back a live mouse. The now-freed mouse heads down a small passageway to access a piece of cheese.

As the mouse grabs the cheese, the weight of his foot triggers a string to pull down on a counter-weight, which then triggers a golf ball to roll dow...