Heebie Jeebies presents the Marble Refill - 100 Biglie. This set is a perfect replenishment for your Migoga Marble Run, containing 100 pieces of ø 14 mm marbles. Designed to ignite curiosity in both big and little inquisitive minds, this refill ensures the fun never stops. Ideal for kids who love building and playing. this is a marble refill pack only, the Migoga Marble Run is sold separately.