hooray my new instructable

the arm

simplest step here (shortcut: you can use the long orange formthe big air ball tower) just look at the pics. you need to make two arms
1: parts needed
2: connect
3: add yellow connects (3 on each grey rod)
4: (no pic) repeat 1-3
5: make
6: attach

counter weigh…

By: dance1212

More: continued here