The  interesting aspect to this set is the accompanying CD-ROM. The software comes on two CDs and runs under Windows 95. There are animated instructions for the two mains models plus two others. A catalogue complete with video clips of the currrent Technic range. A workshop where the car can be 'tuned' ready to race in a simple overhead racing game. Finally, a learning zone where the details of certain aspects of each model can be examined, e.g. the steering, transmission, etc. A lot of time has been spent on the design and content. Although you may only run it up the once, it still adds value to the set.