GBCs for beginnners
Your GBC doesn't have to be one of those fandangled 6 axis rotor, or a complex train carrier, it can merely be a conveyor belt and track or a spinning disk, or a simple lifter:
My own GBC
One thing about GBCs at events (and something I had trouble with) is strength. If you want to get a descent video or you want to take it to a GBC collab you need it:
Strong
(Doesn't have to but better) Looking presentable and neat
Use the GBC standards:
(better to) Make it interesting, not just like a conveyor or simple track (unless of course the conveyor leads up to a cool track or pinball.
Credit: Akikuyi
Just remember to look at the other information on GBCs if you want to know more ;)