Those are some of the crazy paddle boats you can rent. I don’t know how much they cost, but it’s probably several beers-worth of money. (That’s how I assign value to everything.)
10a-Steinhuder-Meer-Dock-Town-Paddle-Boats
Oh God, My Wife Is German.
The Misadventures of an American Expat and His Wife in Germany
Oh God, My Wife Is German. 