Welcome to the shop! With portable marbles for easy storage, take them anywhere and have fun anytime. There are swirls in the coloring for each color. Perfect for marbles, ball tracks, or other marble games. Have fun with marbles everywhere! We believe you or your little ones will definitely love these marbles. Age: 3 years and up. Decorate your favorite aquarium; aquarium decoration. DIY patterns you like in your free time. You can also put these marbles in your garden to create a beautiful landscape and a good mood. Size: 16mm Material: Glass Color: Black + White Package Contents: 10 * Black Glass Marbles 10 * White Glass Marbles Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!