How the LEGO Tic-Tac-Toe Playing Machine works

MejoliDesign · 7K views · 2026 · 8:43

Open on YouTube

Mechanical & precision engineeringother

Why the open web links it

Demonstrates the mechanical design and logic of a LEGO machine that plays Tic-Tac-Toe.

Linked by 4 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including hackaday.com, kagi.com, blathering.de, smackernews.com.