Hello, Everybody This is my First Instructable that I made myself!! you will be amased if you build it correctly. There's a disclaimer though. By the way Have Fun!!!
Step 1: Gather Your Materials
1 stack and 50 stone
23 things of redstone dust
1 Button of your choice (wood works best because it stands out from the stone)
7 buckets of water
16 blocks of TNT
Step 2: Build the Base
The Base will be 7X7. Once you build the outline Fill in the remainder of the space.
Step 3: Build the Walls and the Center Pillar
Build the wall up 2 blocks. then the center pillar will be 2 blocks tall. Pick a spot on the wall Directily North, south, east, or west. that block will have the button on it.
Step 4: Add Water
Now you need to empty the 7 water buckets at the very bottom of the launcher.
Step 5: Add Redstone Dust and the Button
Take your redstone and line the wall with the redstone and the spot that you picked out earlier put the button facing the inner pillar.
Step 6: Add TNT
Put your TNT Above the water like in the picture. The explosion will fling you in the air.
Step 7: Warning
I Highly recommend that you Not do this in survival because the fall damage will kill you! But it's fun to watch.
Step 8: Have Fun or Make Even Better!
You can use many different materials but i like stone the best!