This is an ideal size plastic jar to keep marbles in which measures 85mm in diameter, 105mm in height. We also sell a Marble Reward Jar complete with marbles (containing a jar, a cotton marble bag, a lovely assortment of marbles and an insert to show how good far up the reward chart your child has gotten). To give a size of volume please see the secondary image, this shows that a jar can fit 7 x giant marbles, 7 x medium marbles and 10 x small marbles. Please remember that you are buying an empty jar.
Warning: Please remember that marbles are not suitable for children under 3 years of age.