Legos can be perfect aquarium decorations, as long as you have the space. You can set up entire Lego scenes in the tank if you feel like getting super creative. Take a stroll through the Lego ...

But they don’t have to be — you can build your own at home, using LEGO, as [Build it with Bricks] demonstrates! The build is set up in an aquarium with a pump, which serves to simulate flow ...