RBS Wall Mount #250
28" high X 22" wide X 11" deep. Three different tracks. Marbles are picked up from the bottom collector track by hand and placed in the queue track at the top. Pressing the handle you can release one, two, or all of the marbles onto the tracks. All you need is a wall to hang this on and gravity for power. Loop d' loops (9 inversions!), vertical Zig-zag, 2 seections of serpentine track, tipping arm, "balls on track" and a lot of fun, twisty regular track.