Changeable-colour glass block

The utility model provides a changeable-colour glass block, which is characterized in that the inner wall of the metope of existing hollow glass block is coated with a layer of colour-changeable dope. The utility model not only retains advantages of the glass blocks, but also increases colour-changeable effect; the utility model has the advantages of simple production process and low cost; the colour-changeable dope is not easy to fade, so the changeable-colour glass block is an ideal decorative block.