LEGO PART 62930 Light Brick 2 x 3 x 1 1/3 with Dark Bluish Gray Base [Yellow LED] | Rebrickable - Build with LEGO
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 Light Brick LED Electric 2x3x1 1/3 Trans-Red or Clear Top Christmas House | eBay
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
Custom LEGO light bricks now in color!
Bricks and Lights 11009 | Classic | Buy online at the Official LEGO® Shop US
LEGO Transparent Red Electric Light Brick 2 x 3 x 1.3 Red (38564 / 54869) | Brick Owl - LEGO Marketplace