Collect & Build the Steam Roller, #3 of 7 in the Construction Crew Series! This set comes with 121 K'NEX parts, including bricks, rods and connectors to build a working construction vehicle with a drum that rotates when pushed. There is also two K'NEXmen to operate the vehicle and work alongside each other and construction accessories to play with! You can build on the brick plate that is included in the set, then combine all four sets and the brick plates to become your own actual construction site! Recommended for builders ages 5+. Standard K'NEX parts made in the U.S.A. Special components made in China. Packaged in the U.S.A.