This video will show you how to duplicate dragon eggs or any falling block (Sand, Gravel, Anvil). Simplified version of Xisumavoid’s Dragon Egg Duplication Tutorial.
Works in Minecraft versions 1.9, 1.10, 1.10.1, 1.10.2, 1.11.2, 1.12.2, 1.13.2, 1.14.4, 1.15.2, 1.16.1