The crystal ball can be built in the Crystal ball space of the Study in a player-owned house. It requires 42 Construction to build and when built, it gives 280 experience. The player must have a hammer and a saw in their inventory to build it.
An elemental staff can be used on the crystal ball to change its elemental alignment for free.
- Even though this piece of furniture cannot be made into a flatpack, the Grand Exchange reveals a flatpackable version of it (). This may be the result of Jagex deciding that these items should not be made flatpackable for unknown reasons, but did not remove the code for the items before launch.