Tarchatt! Welcome.
You've gotten many great suggestions already-- not surprising here on TOTV.
Another thought is to get them one of the lamp post signs we Villagers put on our front-yard lamp posts. A vendor who sells them on the Squares also has a website where they can be purchased. Check out:
http://fewebb.com/default.aspx.
If their golf cart doesn't have a dashboard that makes glove compartments for storage, that's also a nice item. These can be purchased from a cart dealer that sells the make/model of their cart. A compass and/or speedometer for the golf cart are also useful in TV.