Hungry Hungry Hippos Game Replacement Marbles-20 Pieces (19 Red and 1 Yellow Marbles) Go to amazon.com Related posts How to buy the best marbles game replacement? FeatureHungry Hungry Hippos Game Replacement MarblesGenuine Replacement Part - Not in Retail PackagingIncludes: 20 Pieces (19 Red and 1 Yellow) DescriptionHungry Hungry Hippos Game Replacement Marbles-20 Pieces (19 Red and 1 Yellow)