Instructions
Turn on "Little Big Planet." Scroll to "My Moon."
Press "X" on the "Create" mode. You will now see the "Popit" tool.
Press "X" to select items. You can use your left analog stick to position them accordingly. Press "X" again to place them into the canvas. Use the "Landscape" tool to create hills, valleys, platforms, tunnels and a slew of other items. You can then use "Stickers" to decorate the level. Play through the game to accumulate more materials to use in your design. You need to unlock the tools for the "Create" mode by playing through the single player experience.