Part #x456
Part #x456 is often known as Electric Light Brick 4.5V 2 x 4. We know this part is available in Bricklink and Rebrickable. You can buy it on Amazon or Bricklink.
Category
How to find this part
Name
Electric, Light Brick 4.5V 2 x 4
Category
Electric, Light & Sound
Weight
2.5 gram
Size
2 x 4 x 1
Available variations
Name
Electric Light Brick 4.5V 2 x 4
Category
Power Functions, Mindstorms and Electric