Bruce MacDonaldA memorable gift when I was a kid was the Kenner Girder and Panel Building Set.
I learned most of what I know about truss design, including trusses used in cantilever bridges, from playing with this set.
So I was thrilled to see Matthias' video using Lego components for a similar purpose.
Building tall Lego Technic latticework towers -- to the ceiling
https://www.youtube.com/watch?v=oeWIO1ld0iI
