Step 14: Third Arm
1- Build this.
2- Build this.
3- Attach the two bits together.
4- Get two yellow rods and build the bit at the right.
5- Attach the rods and other bit to the rest.
6- Build the end of the arm.
7- Another view.
8- Connect it to the arm.
9- You know what this thing is, right?
10- Attach it to the arm.
11- Build these.
12- Connect them to the arm.
14- Get the tower section you built in the last step and attach the arm to it. Don't combine this section with the rest though, that will be for a later step.
15- Another view.