World Record Domino Robot (100k dominoes in 24hrs)

From Mark Rober

World Record Domino Robot (100k dominoes in 24hrs)
14 min4th5th6thScienceTechnology
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Summary

Mark builds a robot that sets up 100,000 dominoes to break a world record. The build is a study in designing a machine to do a precise, repetitive job reliably.

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Ages 7+

Made for a general YouTube audience — an occasional mild or bleeped word can slip in, so preview if your classroom bar is strict.

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Teaching resources

Discussion questions

Talk about it

Placing 100,000 dominoes by hand invites mistakes. A robot repeats the exact same precise motion, over and over, without tiring.

  1. Why is a robot well suited to placing thousands of dominoes?
  2. What has to go right for the whole chain to fall correctly?
  3. What problems do you think Mark had to fix during testing?

Quick work-a-long

Vocabulary: precision, repetition, reliable, design.

Try it: Set up a short domino chain. What one mistake breaks the whole run? Explain why precision matters.