Yesterday, one of our cats knocked over my five-year-old son's Lego robot, causing the inevitable shattering and scattering of a thousand Lego pieces. This morning, instead of getting ready for school, my son built this cat trap:
This resulted in a classic case of me being the stern parent on the outside ("We don't trap our kitties, and get dressed!"), whilst laughing my ass off on the inside. Also, I think he could have a bright future in engineering.