First make sure your in creative then go to the End and kill the Ender Dragon then get a piston, lever, and seven blocks (of your choice) then put the piston on the block youv'e placed behind the egg (you have to get to the eye level to the bock ta put the piston down) put another block behind the piston surround the egg with blocks then put a lever on the block behind the piston and keep placing the egg down and pulling the lever to get more eggs.