Cuboro Standard 32 Wooden Marble Run SetCuboro Standard Wooden Marble Run Set 32 Pieces A great medium starter set for this fabulous wooden marble run system from Cuboro. With 32 marble run pieces and 5 marbles, there are some great marble run possibilities and designs, each one with new learning to be gained. The Cuboro Standard Set, 32 pieces is a great Cuboro medium starter set with 32 wooden marble run pieces and 5 coloured marbles. There is a fab selection of different marble run