Japanese phrase
何歳から使えますか？ nan sai ka ra tsuka e ma su ka
Meaning
From what age can it be used?
When to use it
Asks the minimum age for using something. It is a polite way to check an age limit for a product or service.
Example dialogue
子どもも使えますか？ ko do mo mo tsuka e ma su ka
Can children use this app?
このアプリは何歳から使えますか？ ko no a pu ri wa nan sai ka ra tsuka e ma su ka
From what age can this app be used?