RL3) Lego Siren 40931c01 Police Fire Engine Blue Light with Light and Sound KG | eBay
BrickLink - Part 40931c01 : LEGO Electric, Light & Sound Siren 2 x 6 x 1 with Trans-Dark Blue Lights and White Center [Electric, Light & Sound] - BrickLink Reference Catalog
5 X LEGO SIRENA 40931c01 POLIZIA POMPIERI luce blu luce e suono la raccolta EUR 7,50 - PicClick IT
LEGO® 6249973 40931c01
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Bricker - Construction Toy by LEGO 60216 Downtown Fire Brigade
HK) Lego Technic/Technology 1 KG CONNECTOR Wheels Hole Bricks Kilo Ware Mixed | eBay
LEGO 40931c01 Blaulicht mit Sirene, ein Light & Sound-Baustein nicht nur für LEGO City - YouTube