Do you have a 7-Eleven nearby? You can get a FREE Medium Slurpee from 7-Eleven, when you text SIXFLAGS to 711711!
The offer is only good for 15 minutes once you claim it, so you will want to wait until you are in the store. This is valid through December 31st. Make sure to text back STOP after getting the offer to unsubscribe from future texts.