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LEGO part 54930c01 - Dark Bluish Gray Electric, Light Brick 2 x 3 x 1 1/3 with Trans-Red Top and Red LED Light at BrickScout
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Amazon.com: SCS Direct Light Up Building Blocks Bricks Set of 8 (2"x3") Bricks with On/Off and Dim Ability - Red, White & Blue Colors - Compatible with and fit Tightly with All
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LEGO PART 62930 Light Brick 2 x 3 x 1 1/3 with Dark Bluish Gray Base [Yellow LED] | Rebrickable - Build with LEGO
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LEGO Transparent Red Electric Light Brick 2 x 3 x 1.3 Red (38564 / 54869) | Brick Owl - LEGO Marketplace
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