The Collaborative International Dictionary of English v.0.48:

marbles \marbles\ n.
   A children's game played with marbles[3], little balls made
   of a hard substance (as glass).
   [WordNet 1.5]

WordNet (r) 3.0 (2006):

marbles
    n 1: a children's game played with little balls made of a hard
         substance (as glass)
    2: the basic human power of intelligent thought and perception;
       "he used his wits to get ahead"; "I was scared out of my
       wits"; "he still had all his marbles and was in full
       possession of a lively mind" [syn: wits, marbles]

The Jargon File (version 4.4.7, 29 Dec 2003):

marbles
 pl.n.

    [from mainstream ?lost all his/her marbles?] The minimum needed to build
    your way further up some hierarchy of tools or abstractions. After a bad
    system crash, you need to determine if the machine has enough marbles to
    come up on its own, or enough marbles to allow a rebuild from backups, or
    if you need to rebuild from scratch. ?This compiler doesn't even have
    enough marbles to compile hello world.?


The Free On-line Dictionary of Computing (30 December 2018):

marbles

    (From the mainstream "lost his marbles") The minimum
   needed to build your way further up some hierarchy of tools or
   abstractions.  After a bad system crash, you need to
   determine if the machine has enough marbles to come up on its
   own, or enough marbles to allow a rebuild from backups, or
   if you need to rebuild from scratch.  "This compiler doesn't
   even have enough marbles to compile hello, world."

   [Jargon File]

   (1998-05-21)