A Dragon Egg is a block that spawns on top of the bedrock portal created by the defeat of the Ender Dragon in The End. When they are clicked by the player, it will teleport several blocks away. They currently have no explicit purpose, but are tricky to collect. One of the ways to collect them is to make them teleport off the bedrock they spawn on, dig the block underneath the block the egg is on top of, place a torch in that place and break the block underneath the egg; it will drop as an item. Another way to obtain the egg is placing a piston facing the dragon egg and then pushing the dragon egg. Be careful not to let the dragon egg fall into the portal. And as last you punch a block near the dragon egg and then slowly move to the dragon egg without releasing the mouse button. Punching with the hand is enough to break it.
They currently serve no purpose, other than as a trophy or decoration.
Behavior
Clicking on the egg in survival or creative causes it to teleport to a place nearby (up to seven blocks vertically and fifteen blocks horizontally), creating the same particles as Endermen, Nether Portals, and Ender Chests. It may teleport into the air and subsequently fall to the ground.
Like Sand, Gravel, primed TNT, and Anvils, Dragon Eggs fall when unsupported (due to the fact that they are affected by gravity), and if they land on a non-solid block, (such as a Torch, Slab or Tall Grass) they will drop as an obtainable item. They cannot suffocate the player from falling onto them.
To obtain the dragon egg, the player may push it with a piston or place any non-solid block (like a torch) under the block the egg rests on and then destroy that block so the egg falls onto it. It is possible for the player to hit one while it is still moving to the point it breaks, however this is difficult. You may also use a parried sword to break the egg and get it that way. It is also possible to obtain a dragon egg in Creative by defeating the dragon.
The dragon egg will not burn in the lava upon teleportation or falling.