Prototypes are really interesting in my humble opinion. The N64 is awesome.

“We showcase an ULTRA RARE (pun intended) Ultra 64 controller. Before Nintendo switched to the name Nintendo 64,…

Ultra 64 Controller (N64 Prototype) + Ultra 64 DEV Showcase!

Source: [H]ardOCP – Ultra 64 Controller (N64 Prototype) + Ultra 64 DEV Showcase!