translation.en: So they pick a shape they like -- like a diamond, or a square, or a triangle, or a trapezoid -- and then they try and make the next larger shape of that same shape, and the next larger shape.
translation.zh: 他们选了自己喜欢的一个形状 比如钻石型 比如方形 比如三角形 或平行四边形 让孩子在此基础上搭建出一个更大的形状