How to make the family rotating on axis

[takeokaE5KAS]

I would like to create a family that each parts rotates on an axis.

Could you please tell me how to make it?

I have attached the file.

Thank you.

[martijn_pater · Accepted solution]

Check this out:

https://www.autodesk.com/autodesk-university/class/Families-Motion-New-and-Exciting-Methods-Make-You...