World's Smallest Double-Action Steam Engine MOC
$40.00
Get your air compressor or vacuum ready to run the world's smallest double-action steam engine MOC!
This working model features many details, such as:
Moving 1x1 piston, for a record-breaking size and added realism and functionality.
Moving 1x1 valve, making this engine actually run!
Detailed exterior, with a moving speed governor, flywheel, crankshaft, bolt heads, and grease cups!
With 129 parts, this engine will complete any engine lover's collection!
