Customizable Marble Run

Spend hours of fun designing your very own Marble Run!This Marble Run has 15 unique pieces for an indefinite number of configurations. The large track fits a wide variety of glass and metal marbles. Keys to success. start from the bottom this will prevent you from starting too high or too low and so you don't run out of pieces don't go too steep this is very important, if it's too steep the marble may fly off the track.don't make it flat if there are not enough slanted pieces, then the marble may run out of energy and stop.mind the cracks if the cracks are too large, the marble can get stuck or slowed downhave fun and boost!!! (That is the most important😁👍)