1. Unique building blocks glow brilliantly with colorful light as you stack them, bringing your designs to life.

2. Press on the button switch on the side, the light will be activated, and will be off if release the button. Or Turning the button, the light will be color change always.

3. Built-in button replaceable battery are included and installed.

4. High quality brick, high transparency and pure materials, Environmentally friendly materials. Workable with all major brands 100% compatible

5. A great night light for kids or a fun desk gadget for adults!  Fully compatible with other building blocks, allowing for never-ending fun and creativity!