LEGO Trans-Red Top Red LED Glow Electric Light Brick 2 x 3 x 1 1/3 Gen – Bricks & Figures
Light-Up Minifigure Lightsaber (Red) - Custom LEGO – The Brick Show Shop
Amazon.com: Lego Parts: Electric, Light Brick 2 x 3 x 1 1/3 Red LED Light (Trans. Red) : Toys & Games
LEGO light bricks – more options!
LEGO Electric Light Brick 2 x 3 x 1.3 Red (38564 / 54869) | Brick Owl - LEGO Marketplace
LED Lighting Kit - Red & Blue Blinking LEGO Studs with 2x3 Battery Brick – Brick Loot
100 LEGO Light Brick 2 X 3 X 1 1/3 Trans-red Top & Red LED Christmas House for sale online | 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