Check out these mobile images:

Mystery Mobile Castle

Image by crises_crs
The mobile castle with engines. Made for the king who is afraid of leaving his home.
Two PF motors to move the castle and rotate the tower.
Check this video.

Mobile electronics workbench frontal view

Image by nizger
More pictures, process and afterthoughts on my project website:
nisker.net/projects/mobile-electronics-workbench/