- MOCBRICKLAND MOC-89729 German Carl Self-Propelled Mortar Railroad-Carrying is a set in the Technician collection. This MOC-89729 comes with PDF instruction which is easy to build and find the missing pieces.
- The MOC-89729 includes 2980 high-quality bricks, made from 100% ABS plastic so extremely safe for children, can be replaced with other brands on the market.