1. First of all, in the open game, the obtained meat is cooked in the fire to make mature meat, and then the cooked meat is given to the birds, so that eggs can be obtained.

2. Then put the eggs in the box, wait until they become eggshells after the fresh-keeping period, and then take the eggshells into the backpack.

3. Then move to the second book and click on the magic bar.

4. Finally, you can use eggshell, charcoal and flint to synthesize the powder cake.