I do believe it can take a few splashes, but a complete soaking will probably kill it. It does look like its easily sealed up though. I could probably make it watertight, if I can use siliconkit to squirt around the heatsink. The rest of the casing is pertymuch watertight.
The motors are heavysize electric drill motors (They really are, they actually came out of a drill). I was gonna use them for a battlebot, but ive got a few spares. I think this is the one:
*Click*