One of the first “roller-coaster” rides in the U.S. was actually a short coal railway in Pennsylvania that hauled coal downhill between mines and used mules to bring the empty cars back up the hill.

SpaceRail Marble Roller Coaster Level 1.1 Build Review! Dan at Squirrel Stampede checks out and builds a Spacerail Marble Roller Coaster, much like the one from his past! Watch as Tiny Steel Marbles ...

Ball-rollers or marble-rollers are some of my favorite games and they've gained a lot of traction over the years. We've seen Marble Blast Ultra lead to games like Marble It Up, and all of them owe a ...