To start, paint objects and press space to finish one. When done with the objects, press A. Then, make the host. After that, press space and make the landscape. After pressing space to finish that, watch your new object show go!
If you like this and want to play a full game I made, search for Breezy on Steam! For more projects, make sure to check out @ScratchTheGreatest for games and tools like this! There will be no full version.