DON'T GO!!!! YOU WILL REGRET!
NOTHING TO SEE, I HAVE BEEN CHEATED DRIVING 45 MINS THERE JUST STAYED THERE FOR 30 MINS! (10 mins is enough if you don't walk around Gold Coast)
There is only a set of 4 trains for photo shooting on GF, and on the 2F or 3F there is a display surrounded by glass with numerous toy trains.