EMERGENCY!-What's SFKK Invasion!?!?

Can someone help me in what the SFKK Invasion is? It's today and the ACE flyer won't let me download! Do you have any info? Thanks so much! :)

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PKI-Wooden, Helix, and Kiddie Coaster Capital of the World!
And I LOVE CP, so Get Up Out of My Azz About It! :)

You had to be pre-registered to attend this event. ERT was on Thunder Run.

Whew. Thanks. I didn't care about participating. Just hoping the lines weren't a mile long(like they ever are). :)

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PKI-Wooden, Helix, and Kiddie Coaster Capital of the World!
And I LOVE CP, so Get Up Out of My Azz About It! :)