How to open the myth of rainbow island constellation

You need a lottery to open it. Rainbow Island game can be seen in the lower right corner. Click on Tao Tao Music to start the lucky draw. But the premise of the lucky draw is to have a Tao Tao music card. They are sold in the mall. 1 yuan once. Have the opportunity to draw out all kinds of rare fashion treasures and 4-attribute constellation cloaks. That depends on your own luck.