Uploaded September 2021 | Updated September 2026, 2 weeks ago

---

A third dice trick with Ben Sparks - see the trilogy of tricks at: bit.ly/Dice_Trilogy
More links & stuff in full description below ↓↓↓

Ben Sparks: bensparks.co.uk

And his YouTube: youtube.com/c/SparksMaths

More Ben Sparks on Numberphile: bit.ly/Sparks_Playlist

Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): bit.ly/MSRINumberphile

We are also supported by Science Sandbox, a Simons Foundation initiative dedicated to engaging everyone with the process of science. simonsfoundation.org/outreach/science-sandbox

And support from Math For America - mathforamerica.org

NUMBERPHILE
Website: numberphile.com
Numberphile on Facebook: facebook.com/numberphile
Numberphile tweets: twitter.com/numberphile
Subscribe: bit.ly/Numberphile_Sub

Videos by Brady Haran
Animation by Pete McPartlan

Patreon: patreon.com/numberphile

Numberphile T-Shirts and Merch: teespring.com/stores/numberphile

Brady's videos subreddit: reddit.com/r/BradyHaran

Brady's latest videos across all channels: bradyharanblog.com

Sign up for (occasional) emails: eepurl.com/YdjL9