Krusty Brand Geiger Counter



 Krusty Brand Geiger Counter is a device for measuring radioactivity. It is part of merchandise Krusty endorses and sells.

History
Lisa is afraid the nuclear reactor Homer built will explode so she uses the Krusty Brand Geiger Counter to test the safety. It gives a verbal warning in Krusty's voice " That thing's gonna blow! Drop this toy and run!".