Create spanish script from japanese videos

There are 10 japanese videos about 44 seconds long, i would like a script of each video translated to spanish so that i compilate them in one video and add spanish subtitles to them.

The videos are commercials for a product called Mameshiba
The videos are in the following link:
https://www.youtube.com/playlist?list=PLwolW74qjaagC5G0lAxjb4IxWNGl31-q0