|"A contraption used to control the opéra's stage equipment."
The Stage Gadget is a key item that appears in Kingdom Hearts 3D: Dream Drop Distance. It is a device that controls the stage equipment for the opera house in the Country of the Musketeers.
Riku gains possession of the contraption after defeating the Beagle Boys.
Kingdom Hearts 3D: Dream Drop Distance
In Riku's side, the Beagle Boys practice the trap set for the musketeers beforehand. Riku follows them and frees Minnie as the small Beagle returns for the stage Gadget that activates the trap. He chases them down and knocks them out, taking the crank and preventing the trap from working.