20% time reflections!

On Tuesday I worked on 20 % time project. It was fun. I watched some videos and I built a about 20000 characters command in Minecraft. the cannon looks like this. but it is not built with a block, however you can't place blocks next to it. It also can't place next to each other in 2 blocks. The cannon is really cool. Even the cannonballs are not made from tnt. It is when you drop a tnt and an iron and it turns into a cannonball. Even cooler, when you drop a cannonball and a iron(or tnt I am not sure:p), it turns into a fracture-cannonball which splits into four tnt after the first one blow up. I created a redstone infinite repeat of two droppers and automaticly created cannonballs for me. So alll I need to do is throw cannonballs on the cannon and watch them kill creepers!

this is the automatic repeater I created. The thing I am holding is the spawn egg for the cannon. The fireballs are fragment cannonballs. And the cannon is the gray thingy next to the redstone. Next time I might try to create a won command my self. But not that long though. I enjoyed this project so much!