Synonyms to marbles

sanity, IQ, apprehension, balance, caliber, capacity, common sense, comprehension, conception, cool head, coolheadedness, coolness, deductive power, due sense of, esemplastic power, good sense, horse sense, ideation, integrative power, intellect, intellectual grasp, intellectual power, intellectualism, intellectuality, intelligence, intelligence quotient, knowledge, level head, levelheadedness, lucidity, mental age, mental capacity, mental grasp, mental health, mental ratio, mentality, mind, mother wit, native wit, normality, plain sense, power of mind, practical mind, practical wisdom, practicality, rationality, reason, reasonableness, reasoning power, saneness, scope of mind, sense, senses, sensibleness, sober-mindedness, soberness, sobriety, sound mind, soundness, stability, thinking power, understanding, wit, bingo, Monopoly, Ping-Pong, Rugby, Scrabble, archery, association football, backgammon, badminton, bagatelle, ball, bandy, baseball, basketball, battledore and shuttlecock, beano, billiards, bowling, bowls, boxing, card games, cat, catch, charades, checkers, chess, chuck and toss