Hello Garry, Richard, Meg, Gordon and Tim
Thank you all very much for your kind words of encouragement and for your feedback. I will certainly look into contacting Andi to see if he can let me know who to contact at Geobra.
Here are some pictures showing how some parts of the vehicle were made, the first picture shows the main peices used and the second is a very basic concept picture of how i imagined everything together.