There's not a lot in Theodore, but take a rod, you can do a spot of fishing in the Dawson River, visit Cracow, an old Mining town,go for a drive to Banana via Moura, spend a bit of time at the Pub , I'm not sure if there's a museum there , once you have done the activities I mentioned you won't have much left, Oh there could be a Bowling club, or other sporting activities, I'm sure the Locals will guide you on the right track and keep you busy.