Would you mind keeping an eye on the kids at the playground while I get us a coffee?

How to say “Would you mind keeping an eye on the kids at the playground while I get us a coffee?” in Japanese

In Japanese

コーヒー買(か)ってくる間(あいだ)、遊(あそ)び場(ば)で子(こ)どもたちを見守(みまも)っていてくれる？

Kōhī katte kuru aida, asobiba de kodomo-tachi o mimamotte ite kureru?

Would you mind keeping an eye on the kids at the playground while I get us a coffee? in other languages