How to Plan your own DIY Gravity Falls Party Here is how I made my own DIY Gravity Falls Party. This was a surprisingly easy party to set up which is such a nice change of pace. I chose to throw this mock party for Mabel and Dipper Pines from Gravity Falls! It’s their mock 13th Birthday party for the end of Summer! This type of party would be so much for a set of twins!   This post will be an overall summary of what went into designing and making the party come to life. If you have questions or want me to go into more detail on specifics,…