Intended for or aimed at children; designed or suitable for kids (programs, products, explanations, etc.).
子供向けの絵本を図書館で借りた。
I borrowed a children's picture book from the library.
この映画は子供向けだが、大人でも楽しめる内容だ。
This movie is aimed at children, but adults can enjoy it too.
説明書は子供向けに分かりやすく書き直された。
The instructions were rewritten to be easy to understand for children.
子ども向けと大人向けで内容を分けて販売している。
They sell separate versions aimed at children and adults.