This is rad. I love that it's built out of cardboard, but would've accepted LEGO, Tinkertoy (Classic), or Erector Set. Fantasound was pretty impressive for opt

This is rad. I love that it's built out of cardboard, but would've accepted LEGO, Tinkertoy (Classic), or Erector Set. Fantasound was pretty impressive for optical multichannel sound: https://www.r-type.org/articles/art-299.htm https://www.r-type.org/articles/art-299.htm