part identification - Identify brick with internal battery, light and sound - Bricks
USB Power Bank (3350 mAh), LEGO® lighting – Light My Bricks USA
LEGO Clear Top Orange LED Glow Electric Light Brick 2 x 3 x 1 1/3 Genu
Bright Lights, Big City: Light and Sound Brick 2019 | The Rambling Brick
LEGO Clear Top Orange LED Glow Electric Light Brick 2 x 3 x 1 1/3 Genu
How to Change the Battery on a LEGO Light Brick - YouTube
Amazon.com: Sawaruita 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
LED 1x4 Plate With Battery Brick to Light up Your LEGO - Etsy
Amazon.com: Lego Parts: Electric, Light Brick 2 x 3 x 1 1/3 with Trans-Clear Top and Yellow LED Light : Toys & Games