This set of vintage glass marbles is a must-have for any collector or enthusiast. With a unique combination of swirl stripes and cat eyes, these marbles are sure to impress. Perfect for display or gameplay, these machine-made glass marbles are a great addition to any collection. The marbles are suitable for children aged 8-16 years old and are sure to provide hours of fun. The time period of the marbles is unknown, adding to their mysterious charm. These marbles are categorized under Toys Hobbies and Marbles, making them a great gift for any child or adult who loves collecting unique items.