With portable marble for easy storage, take it anywhere and have anytime There are swirls in the coloring for each color. Great for Checkers, marble runs or any other marble game. Have with marbles everywhere We believe you or your little ones would definitely love marbles Age: 3 years old and above. Decorative your favorite aquarium; aquarium decoration DIY the pattern that you like in your spare time Also can to put these marbles in your garden the way to make a beautiful landscape and a good mood size:16mm Material:glass colour:Blackandwhite Package Contents: 10 x Black glass marbles 10 x white glass marbles Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.