I have no experience in sugar work, so I'm looking for alternatives on how to make the rainbow road circling the round cake??

My only thought right now was fondant/gumpaste but I'm worried about the shape and the stability.

Any thought s or suggestions would be greatly appreciated!

Here's the pic. I want to re-create the world tier (no castle on top) it'll be stacked on top of a 10" and 8". Sorry it's such a huge picture!!

Thanks for any help you can give me!

My next thought is to use the jolly rancher lollipop method  using a little butane torch.

Would lining them in an 8" round pan and melting them with the torch in there destroy my pan and is there anything I can line it with to keep it from sticking?

TIA