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Optosensors (4.5V) and Discs
Reference: #1343 · released in 1986
Themes: Educational and Dacta › Service Packs › Technic
The LEGO Optosensors (4.5V) and Discs set was released in 1986 in the Educational and Dacta, Service Packs and Technic themes. This construction set holds 4 parts, featuring a disc and a sensor.
This set from LEGO includes a total of 4 parts distributed across 2 distinct unique parts.
Set parts (2)
![Technic Disc 3 x 3 with 4 Black Sections on One Side and 8 on Reverse Print [Speed Sensor]](https://static.toytrust.app/brands/img/lego/elements/2723pr0005/15.jpg)
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