So just watch the video and that will explain everything.......
Remember to check you Oblivitus' channel: http://www.instructables.com/member/Oblivitus/
Also if your subscribing to me subscribe to him. :D
So lets get building!!!
Step 1: Barrel
Remember to add in the blue and yellow rods where shown.
Remember to build *2* but only one with the rods connected then when the two have been built connect them together!