- Attendees of Sedgwicksphere 2017
- 104.61 square metre(s)
- United States (Henderson)
The largest casino chip mosaic measures 104.61 m² (1,126 ft² 9 in²), and was achieved by the Attendees of Sedgwicksphere 2017 (USA) in Henderson, Nevada, USA, on 12 September 2017.
The mosaic formed the image of a lightbulb. It was built in 3 hr 21 min 13 sec, and was comprised of 70,644 blue, black and yellow casino chips.