Season 4 · Episode 3
Recent
Speedcore & Steambend
Sun, Aug 10, 2025
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.
Where to watch
Notes & ratings
0 ratings
0 notes
0
25
50
75
100
Airs
Sun, Aug 10, 2025
Show
How Did They Build That?
38 episodes
Episode
S4 · E3
in How Did They Build That?
Up next
High Waters & Harsh Winds
S4 · E4
High Waters & Harsh Winds
Sun, Aug 17, 2025