Polarity Switch (5120-1) is a Technic LEGO set released in 1993 with 2 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 2 unique part types.
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Parts in this set
2 parts · updating…
![Pole Reverser / Polarity Switch with Center Part [Complete Assembly]](https://cdn.rebrickable.com/media/parts/ldraw/7/75214.png)
