Hello guys ! Here is my Oil refinery, which I have completed recently . It is a mini version of Atmospheric distillation unit, which is a primary process in oil production. Everything is made as close to reality as possible with and opportunity for addition of more units and making even larger plant . There was a local competition celebrating 55 years from oil production in Bulgaria and I sent some photos of my creation. Last week I was contacted from the organizers and they asked if they could buy the set from me and store it at their museum. I have never considered selling a set or creation before and feel a bit confused. Can you advice me what kind of price I could want for it ?
https://myalbum.com/album/sTEPkCBPCtBq