这是一套数学益智小玩具，一套分为数字1-9共九个。快乐玩耍！

This is a set of math puzzle toys, consisting of nine numbers 1-9. Happy play!

此模型为多色打印模型，已经做好颜色区分，不建议单色打印，单色打印可以去看我其他的3D模型发布。

This model is a multi-color printing model, and color differentiation has been done. Monochrome printing is not recommended. You can refer to my other 3D model releases for monochromatic printing.