|This is an April Fools' Day version of Mouse Down? (block). Please don't take it seriously. You can find the original here.|
The Mouse Down? block detects if there are mice on your floor.
If it does, one of the Scratch Team's robots will come to your house, take the mouse, and fly it to MIT, where it will be put into Scratch Cat's giant fish and mouse salad. Currently, there are over 10,000 mice in the salad.