Ornament exchange..

So, before I was sick, I went to an ornament exchange party hosted by one of the Captains. We drew numbers for what order we would select a wrapped gift box containing an ornament. When I opened mine.. This is what I found.

Yes, the sheeps hind legs are in the bears boots. That is so the sheep can't get away... or so I have been told.

Firefighters are notorious pranksters. When I saw this, I just laughed and laughed. The wife had an interesting question... How should we explain this to our 6 yo?