This article is about the train car. Did you mean the episode?
The Grid Car is a pixelated train car featured in "The Grid Car."
The Grid Car is the second car Tulip encounters in the episode. By applying pressure to a part of the grid, blocks will appear, allowing anything to be built out of the blocks. Each block is a different color depending on what seems to be the layer or the note it makes.
The Grid Car is covered with a perfect square grid on all of its walls, its ceiling, and the floor.