- Educational tool: the hollow colored plastic counting balls are for teaching and practicing elementary school math probability problems
- Track ball design: the unique track ball design allows for various simulations and experiments related to mathematical probability issues
- Safe material: made from safe materials, these balls are suitable for use by elementary school students
- Colorful and engaging: the vibrant colors of the balls attract children's attention, making learning more enjoyable and engaging
- Concept: these balls help children understand and master the concepts and calculations involved in math probability problems
