From Creatures Wikia
The Welttransporter is a teleporter in the form of a world; if the Norns push it, it transports them somewhere. The world ball should find itself at the same place as the Norn, allowing it to "nick off" again.
If the Norns push it, it has the following effects on them:
It uses the incorrect C1 class numbers:
- 2 6 354
and your norns will probably think it's a drink.