Instructables

Knex Alternating Arm Lift

Step 5: Tower

The next arm will be attached to this tower. After you build it, combine it with the base. And then your tower will be one red rod higher than before!!!!! How awesome is that! :-D

1- One side of the tower.
2- The other side.
3- Now attach them together.
4- Combine it with the base. 
5- Another view.
6- Another view.

 
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