Collapsing Wormhole
Aluminum
8' x 8' x 14'
Rock Island, IL
Portal (back)
Aluminum, Jasper Stone
11' x 7' x 14'
Sioux Falls, SD
Towards Tomorrow
Aluminum
12' x 14' x 8'
Des Moines, IA
Expand
Stainless Steel
9' x 4' x 3'
Timewarp
Stainless Steel
7' x 7' x 14'