The PlayStation Store is have a sweepstakes for those that are attending PSX 2017. Attendees can scan QR codes on the PlayStation Experience app to receive entries for a chance to win prizes. One of the QR codes that you can scan is near a replica of the Kingdom Key Keyblade from Kingdom Hearts. You can check out photos of the Kingdom Key Keyblade replica in the gallery below.
The sweepstakes ends at 6:00 PM PST on December 10th. Only PSX attendees are eligible for prizes. PSX 2017 runs until December 10, 2017.
Special thanks to @churroz on Twitter for the photos of the Kingdom Key replica!