Ideal for marble runs and board games, these vibrant balls serve as versatile accessories for kids' educational activities. Their smooth texture and solid colors make them visually appealing and easy to use. They are perfect for replacing lost game pieces or introducing new elements to learning toys and creative projects. Features -Color:Assorted Color -Material:Plastic -Size:1.50X1.50X1.50cm/0.59X0.59X0.59in -Visual stimulation: the colorful design of these marbles attracts children's interest, improving their grasp of math concepts -Portable and convenient: small 15 mm size allows for easy transportation, enabling math games and teaching on the go -Counting aid: facilitates early math education by helping children develop counting skills and logical thinking -Interactive learning: the track play feature promotes handeye coordination and adds an to learning -Durable build: made from solid materials, these marbles are designed for longterm use, providing a reliable Package list: 120 x Game Replacement Marbles