This is an app where you can watch and play with the unique movements of various working vehicles. It features simple tap operations with various interactive elements.

The app includes construction site vehicles such as power shovels dump trucks mixer trucks bulldozers power loaders aerial work platforms pump trucks garbage trucks trucks container trucks motor graders vacuum trucks postal delivery vehicles courier trucks camping cars lumber trucks car carriers road rollers tankers convoy trailers F1 cars and giant heavy machinery like big dump trucks. Emergency vehicles such as police cars ambulances fire trucks ladder trucks and highway patrol cars also appear along with public transportation vehicles like buses taxis and school buses.

Tapping an icon changes the type of vehicle running in the center of the screen. Tapping a vehicle lets you see its unique movements. Other passing vehicles can also be tapped to trigger different actions. Sometimes dinosaurs or UFOs may appear—try tapping them to see what happens. Trains including bullet trains also appear in the background.

Pressing the **Special Item Button** (available in the unlimited version) consumes **5 hearts** and allows unlimited use of special items for **60 seconds**. There are four types of special items and activating one enables unlimited use of that button for a certain period:
1. **Convoy Trailer Button** – Large vehicles such as convoy trailers tankers and car carriers appear.
2. **F1 Machine Button** – Many F1 cars appear.
3. **Big Button** – Working vehicles grow larger in two stages.
4. **Big Dump Button** – Four types of large heavy machinery including big dump trucks appear. Tapping them activates their unique movements.