Introduction: K'nex Pokemon Autowalker
The difficult parts are the arm and rotor, obviously. The pivot, btw, is a red rod connected in the back to a purple/blue 3d connector, that's connected to the tower like the 'snowflake' connectors, that is, with 4 white rods.
If you can't figure out the rest I can't really help you.
VIDEO:
If you can't figure out the rest I can't really help you.
VIDEO: