尺寸:80×80×49cm,材质:木制。镜子反射是什么?为什么会有倒影?直接在科学镜桌上操作或观察,就会发现秘密。本商品不含椅子、教具与其它配件。
Material: Wood+Safety Mirror.Size:80×80×49cm.
What is reflection of the mirror? Why there's a reflection! A direct
operation or observation on the mirror of a scientific table will find the
secret.Without teaching aids and other accessories.