Season 4 · Episode 3 of 10
Aired Aug 10, 2025
Speedcore & Steambend
Sun, Aug 10, 2025
0 of 10 watched this season
A railway-spanning library mimics the clouds. A speed-core skyscraper is built in record time. And a world first bridge inspired by a child's toy.
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Airs
Sun, Aug 10, 2025
Show
How Did They Build That?
38 episodes
Episode
S4 · E3
in How Did They Build That?