- GBC Ball Rolling Machine 12 Technician MOC-90191 by Rimo Yaona with 2129 pieces is a set in the Technician collection. This MOC-90743 comes with PDF instruction which is easy to build and find the missing pieces.
- The MOC-90743 includes 2129 high-quality bricks, made from 100% ABS plastic so extremely safe for children, can be replaced with other brands on the market.