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
1x1 Brick NiteLite – Red 5007231 | Other | Buy online at the Official LEGO® Shop LU
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
Light Kit for LEGO - Double Red LED LEGO Studs with 2x4 Battery Brick – Brick Loot
Amazon.com: Brick Loot Light Up String - 12 LED RGB Studs - Compatible with Lego - Light Kit with Red Green Blue Flashing LEDs : Toys & Games