A set of old-fashioned marbles and 30 pieces of "ohajiki" (Japanese glass game pieces). ^^ Diameter: Approximately 17mm The colors in the photos may differ slightly due to lighting conditions. Thank you. m(_ _)m #MarblesAndOhajikiList #NostalgicToysList #EducationalToysList Glass marbles beautiful pretty cotton mixed red blue green yellow blue red yellow green nostalgic traditional decoration rolling kindergarten festival prizes children's association festival event prizes transparency educational math study