Sticky mousetraps have some attractive benefits: On the minus side, the longer a sticky mouse trap sits around, the less sticky it gets. It becomes coated in dust and will no longer be effective.

Description: A chain reaction is simulated by an array of armed mouse traps loaded with ping pong balls. 42 mouse traps are mounted on a piece of plywood in a 6 by 7 array. Two ping pong balls may be ...