|This needs a stretch.|
Needed: History is incomplete.
The gypsy wagon belonged to the gypsy.
It resembles an American pick-up truck of the 1920s, with a wooden hut constructed on the bed.
Scooby-Doo, Where Are You!
The wagon was used for the gypsy's fortune telling, and parked not too far from Franken Castle. In reality, this was a hoax by Big Bob Oakley, to scare people away castle (such as the gang), while he searched for the Franken Jewels inside.