this is going to be a fast and easy tuturial on how to make a Tnt Cannon so Let's begin.Step 1 get some stone and build 2 lins that have 6 stone in them and then put a peice of stone on one end.The offer way shoud be open and is the way the Tnt is going to fire.Step 2 put some water in front of the stone that is confining the two stone lines together and then put a stone brick slab at the end of the two stone lines.Step 3 so put a button on the stone that as water in front of it and on the right side put redstone going all the way down until leave on block at the and stop there don't put redstone on it.Step 4 do the same thing on the left but with redstone repeators and put a block at the end click them on time so it is 2 ticks.Step 5 put some Tnt on top of the stone brick slab and then put Tnt behind it put it in order all the way to the source block and let the source block stay.Step 6 now push the button and enjoy the Tnt Cannon fire.And that is my tutoria on how to make a Tnt Cannon.