This plugin add some jetpack to explore world and fun wa can craft there with some resource. The first jetpack is really fast to craft :

The second :

The third (You need to go to the nether):

The fourth (you need to kill the wither):

When you don't have fuel you can make this with a furnace :

You can donate some money from the development of this plugin with my paypal. Thank you for download and good games !