This will show how to Duplicate by yourself on Minecraft Xbox 360 Edition.

First Get a Furnace, A Pickaxe, and A Block you want to Duplicate.

1. Place the Furnace on the ground.

2. Put the block that you want to duplicate into the dispenser.

3. Pull out your Pickaxe and start hitting the dispenser.

4. Once it is about to break Switch to Another Item.

5. Once it has broke it should re-appear.

6. Open the Furnace and Go up to to the item you're duplicating. Press and Hold A until the menu closes.

7. Your duplicated block should be on the ground

8. To Start duplicating. Press and Hold X in each slot.

Any Problems Comment Below.