You can never have enough of the balls for the Coblo marble track, the more the better. To supplement or replace, 6 loose wooden balls in the Classic colors. Becauseall children love a marble track. How fun is it to see the balls rolling! Drop the balls/ marbles into the top and watch them spin around, race and chase each other.

This pack contains 6 balls in Classic colors and is the perfect addition to the Coblo marble track. Please note that the set does not include a marble track, just the balls.