Be patient, mousey, when you hear the "DING!" then it will be cheese time.
I'm all about the cool nori punch things that you can use to make really cool eyes for little piggies and stuff in bento lunches, but I have to applaud the simplicity of using sesame seeds on their own for eyes. Super well done!
considering how kids never really just pick up a sandwich and eat it like normal human beings, you can make them lunches that defy the norms of sandwich making for fun. They're going to decimate the thing anyway, why not get them excited about the beauty they are about to destroy?
Do you think dressing a wedge of cheese up like a mouse would make an actual mouse more or less likely to eat it all up? Would it be intimidated by the new intruder and back off or would it be flattered by the delicious likeness and devour it all at once?