The Wooden Horses are recurring props used in VeggieTales.
The first one appeared in The Ballad of Little Joe when Little Joe was being taken by desperadoes.
They reappeared in Duke and the Great Pie War as part of the jousting tournament where Duke and Otis had to battle each other.
One later appeared in Lord of the Beans when Randalf was using it to pull his wagon full of fireworks.
While it is assume they're just wooden, the one from its latest appearance actually moved by itself. Though it is possible its being pulled from behind the scenes.
The wooden horses are designed like simplistic horses with a rope tied around its nozzle. The legs have wheels attached where the hooves are normally.