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The Rube Goldberg Machine Contest®

The Rube Goldberg Machine Contest (RGMC) is a worldwide competition where teams create machines from found or discarded household items. The 2025 task is: Feed a Pet!

About the Contest

The Rube Goldberg Machine Contest (RGMC) is a challenge of creativity, ingenuity, and teamwork all rolled into one! A STEAM competition for the 21st century that pits student teams against other teams to create a fantastical Rube Goldberg machine to solve a common, simple task, using little more than everyday objects lying about. The RGMC is truly where engineering and artistry become intertwined.

  • Students only
  • Compete at a live regional for the chance to compete in the World Championship
  • All machines must complete the annual task: Feed a Pet
  • Machines are judged by a panel of Rube Goldberg experts
  • Prizes TBA

2025 Official Rule Books

Apprentice Division (Elementary School)
Division I (Middle School)
Division II (High School)
Division III (Collegiate)

Live Stream Information

Instructional Videos for RGM build assistance can be found at: Zach's Contraptions. Live Q&A Sessions with the National Contest Director will occur on the following dates @ 7:00 pm (EST)

Sept 4, Oct 2, Nov 6, Jan 8, Feb 12, Mar 3

Thank you to our partners/sponsors.

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