The ready-to-drive model is based on a steam tractor from the 19th century. This machine has a smoking chimney and a clutch for the drive. In contrast to the rollers, the tractors have a continuous roof and two individual wheels on the front axle. Radio remote control and tires for all bikes with different profiles can be retrofitted. Also available in black / brass. Dimensions 300x150x200, weight 2.1 kg