DIY Mini Tractor & Road Roller Build Modern Concrete Road for Heavy Trucks | Science Project Watch how a DIY Mini Tractor and road roller work together to build a modern concrete road designed for heavy trucks in this detailed science project. This video showcases realistic concrete road construction, road leveling, and compaction using mini construction machinery. In this project, you will see: Step-by-step modern concrete road building How a road roller smooths and strengthens the surface Mini tractor operations for heavy truck roads Science project principles applied to road construction Perfect for viewers who enjoy DIY construction vehicles, road building, and engineering science projects.