The table baits a mouse up through one oversized leg and to the center of the table, where a trapdoor opens and they fall into a chamber full of microbes which digest the rodent and use the energy to power the table's electronics (presumably the sensor that detects the mouse). Similarly, a digital clock is powered with the same type of microbial fuel cell, collecting its prey with flypaper. A spherical lampshade with holes modeled after the infamous Pitcher plant lures flies in, but they are unable to escape and eventually fall into the bottom of the light, where they become fuel. They've also modified a UV fly-zapper to retrieve power from the fly corpses it creates.