Step 1: What You Need

All you need is a half-block, any kind of whole block, a redstone repeater, redstone, a leaver/button. T.N.T and a bucket of water.

Step 2: The Base

You need to have a seven block line, and one next to it and joining it on with a block at the end.

Step 3: Stairs

Add stairs one block away from the conjoining block, and keep adding on.

Step 4: The Half-Block

Put the half-block at the end of the 7 blocks.

Step 5: Adding the Water

Put the water where you started the stairs, it should stop at the half block.

Step 6: Adding Redstone

Put the redstone on the seven blocks as shown.

Step 7: Redstone Repeaters

Put the repeaters in the gaps on the right.

Step 8: Leaver

Add the leaver at the bottom where you connected the redstone.

Step 9: T.N.T

Add tnt from the stairs to the end, to finish!
<p>hmm... might start a collection of TNT cannons... unless someone knows of one that already exists?</p>
FYI:its called a slab!:)
Awesome Instructable!!! <br>Helped me tons!!!! <br>THANKS!!!!

About This Instructable




More by Lazzoo:Minecraft T.N.T cannon 
Add instructable to: