Press space bar to switch the block/Land piece. Click to place. Delete-Hover over block and hit ¨x¨ Make maps and have fun. NOTE: (This may be a bit complicated)If you want to try out your map in Earth of Empires, then right click with your mouse on the game, and click save image as. After that you go into the main game, click see inside. And paste your map into the backdrops, Hit green flag and then switch the backdrop to that map by putting a change backdrop block in the code.