Presents creation can be used as a base for capturing all of animation. The mechanism includes a large amount of Redstone and command blocks. You can study circuit design and test all functions. You may want to build such a mechanism in their own world. This card perfectly demonstrates the limitless possibilities of the command unit.

Here are a pretty cool map that shows in practice how you can enter in the familiar Minecraft world your own portal, teleporting in a unique dimension. Click on the command block and enter the portal, after some time You will find yourself in an unusual place. Explore the mechanism of this creation, and You may be able to create something similar in your world of Minecraft, but only with version 1.0.5. and above.