K'NEX Semi Truck This Semi-Truck is part of the collectible Road Rigs series This set includes instructions to build at least one semi-truck cab - may be combined with other sets! Motor and new K'nex figure included with each set Includes 226 pieces, including wheels, rods, connectors and more! Combine this set with another Road Rig to make a giant build or with all four sets to make an ultimate build!