6225808 Fx Light 2X3X1 1/3, Red (38564) Transparent Red – Minifigur.se
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
LEGO Light Brick Internals and Color LED Replacement - YouTube
LEGO PART 54869 Light Brick 2 x 3 x 1 1/3 with Dark Bluish Gray Base [Red LED] | Rebrickable - Build with LEGO
Bricker - Part LEGO - 54930c01 Electric, Light Brick 2 x 3 x 1 1/3 with Trans-Red Top and Red LED Light
LEGO Transparent Red Electric Light Brick 2 x 3 x 1.3 Red (38564 / 54869) | Brick Owl - LEGO Marketplace