Homemade Haunted Mansion gown with moving ghosts and doom buggies

The grand prize winner at the 2019 D23 Mousequerade, here's Tina Elliott's "Grim Grinning Gown" with moving ghosts and 3D-printed doom buggies:

You can see the other prize winners here, including this homage to Disneyland's Indiana Jones Adventure by Emily and Nathan Mebust:

(Via Cosplay in America.)