• Includes 30 glass marbles with a diameter of 16 mm. • The marbles feature a frosted design in blue color. • There may be a variation of up to 2 mm in the diameter of the marbles. • To reduce environmental impact, the marbles are delivered in a protective bubble envelope, without an additional bag. • The containers shown in the images (bottles, jars, test tubes, etc.) are not included. • Package dimensions: 10 cm wide, 2 cm high, 10 cm long.