The plastic toy car—it doesn't have any use beyond its toyness. It can't get you anywhere, or cut things into neat shapes.
"Toolness" is, at least to a large extent, a synonym for "(practical) utility".
"Toolness" is, at least to a large extent, a synonym for "(practical) utility".
Code, for example, can be played with but can also deliver significant impact to a large group of people.
A toy car, as another example, can be played with but delivers value to only one person at once (well, depending on how you use it).