Marble Coaster Kit - Night CityIs it a roller coaster? A marble waterfall? Whatever you call it, it's a blast to build and just as much fun to operate. This is the most complex of the marble coasters we currently carry. In addition to the standard wood pieces, there are a number of parts that are dyed black, and several clear acrylic parts as well. Finished model is 10" wide x 9" deep x 8" high. Kit comes with 294 laser cut plywood and acrylic pieces, steel marbles, bushings,