A Wooden Contarption. Found it after looking at some SPACEWARP (think Hotwheels for marbles) videos. Dave's Machine is much more impressive than those pre-fab constructions, no matter their size.
A Wooden Contarption. Found it after looking at some SPACEWARP (think Hotwheels for marbles) videos. Dave's Machine is much more impressive than those pre-fab constructions, no matter their size.
