A set of 250 old-fashioned marbles. ^^ Diameter: Approximately 17mm The colors in the photos may vary slightly due to lighting conditions. Thank you. m(_ _)m #Marbles & O-hajiki List #Nostalgic Toys List Beautiful, pretty, cotton, mix, red, blue, green, yellow, blue, red, yellow, green, nostalgic, traditional, decoration, rolling, kindergarten, festival, prizes, children's association, festival games, event prizes, transparency, educational, arithmetic, study