Here's some Buzz Droids or as the technical crowd may refer to them, some Pistoeka Sabotage Droids. They were featured during the beginning of " Star Wars, Revenge of the Sith " and in at least one episode of TV's " The Clone Wars ". They say that every 50th Buzz Droid is filled with candy! :D
Link
Khaos
And every fifth wrapped with a Foof.