Just a simple hockey rink that I built on my "Minecraft Property". It's made of ice, obviously and some red wool for faceoff dots. If you look closely a layer below the ice there are blue blue lines as well as a red line.

I've played a few times, using a piece of coal and the rule that you can't hold the "puck" in your inventory for longer than a second so you constantly have to toss it out. :)