CAT Machine Maker - Junior Operator Building SetThe CAT Machine Maker Junior Operator 46 Part Building Set builds a Wheel Loader, Bulldozer, Service Truck, Dump Truck and Excavator. Build the classic CAT Machines with the CAT Machine Maker Junior Operator Building Set. This set comes fully loaded with a chunky screw driver, machine operator figures and all of the parts to build a Dump Truck, Bulldozer, Excavator, Car Service Truck and Wheel Loader. Create the Classics or Create your Own by mixing