Complete set of 30 marbles for Aggravation or other games (you will need 2 sets for Chinese checkers). There are 6 colors, 5 of each. They are about 5/8″ (16mm ) in size and made from solid glass. Includes Storage Bag. These are brand new marbles and are perfect as replacements for an old Aggravation board game, Dirty Marbles, Wahoo, marble run or many other marble games. Please check your game to see what size marbles it requires as there are several sizes. We have larger and smaller sets available. LIFETIME WARRANTY CERTIFICATE included