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Unnecessary Inventions
The Marriott Bonvoy Keysake Box
A Marriott Bonvoy room key becomes a Keysake Box that lights up, unlocks and prints a mystery question.
✳ The story
Created in partnership with Marriott Bonvoy, the Keysake Box turns a hotel room key into a box that lights up, unlocks itself, and prints a mystery question.
This video was part of a 2025 Marriott Bonvoy campaign. The promotion mentioned in the original video ended December 8, 2025.
Invention details
- Status
- Operational
