Functioning sewer system
This sewer is not only decorative, but also useful, because you can transport items in it.
Night camp
A night camp like from old western movies with sleeping bags, a carriage and horses.
Stove with water boiler for the kitchen
A stove that fits perfectly in the kitchen. Above it stands a kettle.
Above-ground redstone line (cf. power line)
A variation of the power line: the redstone line is built on barriers.
