Choose a device:

construction, buildingqty: 2

More specific:

Choose basic color of device:

blueconstruction, buildingqty: 2

yellowconstruction, buildingqty: 2

goldconstruction, buildingqty: 2

blackconstruction, buildingqty: 2

whiteconstruction, buildingqty: 2

silverconstruction, buildingqty: 2

multicolorconstruction, buildingqty: 2

Primary or secondary?

primary construction, buildingqty: 2

secondary construction, buildingqty: 2