Big Trak TM Transport - Fascinating companion unit of Big Trak that automatically hooks up to the Big Trak's electronic circuitry. Watch Big Trak Transport haul loads and suddenly dump them on a pre-programmed command. The Transport sleek design offers great maneuverability and allows the unit to take turns and corners in stride. A great accessory to a great toy!
Source: Private Hobbist Collector, My Collection - Updated 08-14-2009