材质：木制。尺寸：80×60×3㎝。摸摸看，不同车厢中的红豆、绿豆、黄豆及扁豆分别是什么触感？比较他们的颜色和大小。帮助幼儿刺激触觉发展。
Material:Wood Size:80×60×3cm
Touch the red beans, green beans, soybeans and lentils in different
compartments, What is the sense of touch? Which one is smaller? Which
one is smoother? To help children's tactile recognition of development.
