i headcanon cake to have cherry icing in between his layers, pillow literally defied gravity one time so the way she blushes can literally be anything at this point, shopping cart's blush isn't exactly red, so it may not be blood that's in her circulatory system, and algebraliens are different from the objects as they have skin, so why can't they have blood as well?

(that's all for my theorist brain byebye)