3
Transformer and Speed Regulator
Reference: #4548 · released in 1991
Themes: Train › 9V
The LEGO Transformer and Speed Regulator set came out in 1991 in the Train and 9V theme. It holds 3 parts.
This set from LEGO includes a total of 3 parts distributed across 3 distinct unique parts.
Set parts (3)
LEGO data from Rebrickable (rebrickable.com), building instructions from Brickset (brickset.com) and lego.com. LEGO® is a trademark of the LEGO Group of companies, which does not sponsor, authorize or endorse this site. Learn more