May 28, 2014 3:18 PM EDT

The Seven Dwarfs Mine Train officially opens today and is the latest addition to Walt Disney World. Construction of this family-friendly roller coaster in Lake Buena Vista, Florida, has taken 2-3 years and completes the New Fantasyland section of the Magic Kingdom, the largest expansion in the theme park’s history.

Inspired by the Disney animated classic Snow White and the Seven Dwarfs, riders traverse into a mine and run into the lovable Sleepy, Doc, Grumpy, Bashful, Sneezy, Happy and Dopey along the way.

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