Enter the egg room. Then click on the ball to fight. Finally, if the challenge is successful, you can get a fairy egg. The detailed steps are as follows:

1, first open the super elf watch, as shown in the figure below:

2. Click to enter the egg room, as shown in the figure below:

3, and then click on the egg duel to enter the egg vending machine interface, as shown in the figure below:

4. Click to start the challenge. If the challenge is successful, you can get fairy eggs, as shown in the following figure: