You know, before I left the room, I told my students that I want them to figure out the proof of the irrationality of the square root of 3 and finish proving that the rationals are countable. And when I came back a few hours later? No proofs. All I see were an empty snack carton and these weird things on the desk:

A bird/plane/thing made with zome tools.

A bird/plane/thing made with zome tools.

Some spear-wielding, shield-holding warrior thing.

Some spear-wielding, shield-holding warrior thing.

It's no fun until some zome tools bird thing gets smacked upside the head, right?

It's no fun until some zome tools bird thing gets smacked upside the head, right?

Yeah, zome tools are pretty darn awesome.