4.5V Reversible Power Unit
©1971 The LEGO Group · Image(s) courtesy of Brickset.com (opens in a new tab)
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Identifiers, instructions and tags
Identifiers
- Set number
- 107-3
- Brickset ID
- 7357 (opens in a new tab)
Instructions
Tags
Find it second-hand
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Description
As children grow older, LEGO grows with them. The exciting battery operated LEGO Reversible Power Unit is available to add motorized motion to LEGO models. Trains, cars, helicopters - most anything imaginable can now be motorized. Safe, dependable, sturdy - the LEGO Power Unit offers creativity unlimited.
This reversible power unit set contains a precision geared motor and battery case and is operated on three type "C" batteries (not included). Suitable for powering Lego trucks, trains, gears and pulleys.
It features a forward / reverse switch. The models shown suggest a few of the many applications possible when this unit is combined with your Lego collection.











