Guessing game (1-3)

I think it could be either:

Which length description are you looking for?:

1-3

i-spy

'guessing game' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for i-spy that I've seen before include "Child's guessing game" , "Children's guessing game" , ". ... with my little eye (children's game)" , "Child's game: ''. ... with my little eye'" , "Children's alphabet game" .)

I've seen this clue in the Evening Standard and The Mirror.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.