No size
86 Splashes aren't on the pile, because they have no size you could measure. Pinch here all you like: nothing changes.
Math 17
A shape in math has no size. A Menger sponge looks the same however close you get, and that's the point of it.
Games 12
A game is as big as the screen it's played on.
Tools 19
A tool has no size of its own. It works on whatever you give it.
Yours 11
These take your photo, your video, or your file, so their size is the size of what you bring.
Ideas 23
These show an idea or a method, and an idea has no size.
Made up 4
Nobody has measured one of these.