This is a guide on how to build a Tnt cannon in Minecraft Xbox One. This guide is for those who want to build their own Tnt cannon in the game. The steps below will show you how to build a Tnt cannon in Minecraft Xbox One. First, you will need some materials. You will need some blocks, TNT, and an oven. Next, you will need to create your cannon. You will need to create a block called an armory and place it next to your TNT barrel. Then, you will need to create a block called the trigger and place it next to the armory. Finally, you will need to create a block called the gunpowder barrel and place it next to the trigger. Now, you can start building your Tnt cannon! First, make sure that your armory is built first. Then, make sure that your gunpowder barrel is built next to it. Finally, make sure that your trigger is built next to the gunpowder barrel.