BrickLink - Part 51409c01 : LEGO Duplo, Brick 2 x 2 Light with Same Color Top and Bottom and White Button [Duplo, Brick] - BrickLink Reference Catalog
LEGO light bricks – more options!
Batteries for a light brick : Lego, The Lego Group, Consumer Discretionary Sector : r/lego
Is it possible to change the battery in a 54604 light brick? - Bricks
LEGO light bricks – more options!
LEGO Transparent Red Electric Light Brick 2 x 3 x 1.3 Red (38564 / 54869) | Brick Owl - LEGO Marketplace
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
Installing sound brick batteries- HELP!!! — Brickset Forum
BrickLink - Part 54930c01 : LEGO Electric, Light Brick 2 x 3 x 1 1/3 with Trans-Red Top and Red LED Light [Electric, Light & Sound] - BrickLink Reference Catalog
Identify brick with internal battery, light and sound - Bricks
BrickLink - Part 54930c02 : LEGO Electric, Light Brick 2 x 3 x 1 1/3 with Trans-Clear Top and Yellow LED Light (Glows Orange) [Electric, Light & Sound] - BrickLink Reference Catalog
Lego Parts: Electric, Light Brick 2 x 3 x 1 1/3 with Trans-Clear Top and Yellow LED Light- Buy Online in Ecuador at Desertcart - 11910063.
Lego Light Brick Part Number | Outlet www.spora.ws