Check your local 7-Eleven where participating locations are offering up a 20-pack of Halloween Treat Coupons valid for a FREE Small Slurpee Drink for just $5! That makes each Slurpee just 25¢ each and an awesome treat to hand out for Halloween!
Also, simply text SIXFLAGS to 711711 to score a mobile coupon valid for a FREE Medium Slurpee (expires 12/31/16).
Thanks, Mary!