★Porsche 918 spyder roof simulator★ In this project, you can open/close the roof manually! If the roof disappeared, click green flag again. HOW TO OPEN: 1. open the trunk (front) 2. take off roof 3. put it in the trunk 4. close trunk HOW TO CLOSE 1. open trunk 2. take out hood 3. pur roof on the top 4. close trunk Use up/down arrow or button to control the window.