Colloquial abbreviation of 子供達 (こどもたち), used mainly in Kansai dialect. Polite and friendly, often used when referring to one's own or others' children in casual conversation.
See also: 子供たち
Our kids have already gone to bed.
Those children over there are so lively, aren't they?
Standard kanji-kana spelling; the suffix たち is usually written in kana.
Kanji spelling for たち; less common but still seen.
Abbreviation of 子供達 (こどもたち), dropping 供. The suffix たち is a pluralizer for people.