Could we add a wrapped candy to each gift box as a little extra?

How to say “Could we add a wrapped candy to each gift box as a little extra?” in Japanese

In Japanese

おまけに、ギフトの箱(はこ)に一(ひと)つずつ個包装(こほうそう)の飴(あめ)を入(い)れるのはどう？

Omake ni, gifuto no hako ni hitotsu zutsu kohōsō no ame o ireru no wa dō?

Could we add a wrapped candy to each gift box as a little extra? in other languages