The set 4481 Hailfire Droid was released in 2003 as part of the Attack of the Clones line. There were no minifigures included.
Background[]
Hailfire Droids were created and extensively used by the InterGalactic Banking Clan and as part of the Separatist army. They were first used at the First Battle of Geonosis where their powerful warheads destroyed several AT-APs.
LEGO.com Description[]
This is an official description which was taken from LEGO.com. Please do not modify it.
Challenge the Republic with the Hailfire Droid!
One of the most awesome weapons of the Separatist armies, the Hailfire Droid features 2 massive launcher pods and immense hoop wheels for travel over any terrain!