SCS Direct Light Up Building Bricks (2x3) with On/Off and Dim Ability (Set of 8) - Tight Fit with All Major Brands : Toys & Games
Amazon.com: Lego Parts: Electric, Light Brick 2 x 3 x 1 1/3 Red LED Light (Trans. Red) : Toys & Games
Light Up Building Bricks Multicolor LED Light Brick Sets Classic Transparent 2x2 2x3 Building Block Accessories Kit Toys Compatible with All Major Brands : Toys & Games
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 Dark Stone Gray Electric Light Brick 2 x 3 x 1.3 Red | Brick Owl - LEGO Marketplace
Lego Light Brick LED Electric 2x3x1 1/3 Trans-Red or Clear Top Christmas House | eBay
LEGO - Light Brick 2 x 3 x 1 1/3 with Trans-Clear Top and Yellow LED Light | eBay
LEGO Sets with Part 54930c01 Electric, Light Brick 2 x 3 x 1 1/3 with Trans-Red Top and Red LED Light
LEGO® Creator "Trans.Yellow Led Light Brick" Part #54930c02 - YouTube
Lego Parts: Electric, Light Brick 2 x 3 x 1 1/3 Red LED Light (Trans Red) - Walmart.com
Bricks and Lights 11009 | Classic | Buy online at the Official LEGO® Shop GB
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