This is a probability game: Game Instructions
Each pack will have a different color, and there are a total of 8 colors (red, orange, yellow, green, cyan, blue, purple, and gray) 
By placing an order, you can receive 9 packs 
Step 1: Make a wish for a color you like 
If you encounter a color you like, you can get an extra packet 
If you encounter two identical colors, you can get an extra packet 
Until the final color is different, the game ends 
This is an interesting game: 
Placing an order can earn you a minimum of 20 packs 
Placing two orders can get you at least 40 packs