At present, this is available for 8th graders to do on their own time for extra credit. Students can create a 3D model of their dragster using Google SketchUp. Google SketchUp is a free CADD program from Google. The videos below demonstrate the task for the students. Help: SketchUp Training Videos & Self Paced Tutorials
Click here to download the doubleblock.zip file to get started.
For even more on SketchUp go to the SketchUp Sage.