Brilliant Idea | Recycling Plastic Bottles into Vertical Vegetable Gardens https://youtu.be/qu97dBhN5o8 Lettuce: One of the very easiest plants to grow.
These are my guesses on supplies, as none were listed on the Korean Video
All this said, I would still want to turn it into a hydroponics garden, LOL. They are sooooo much easier to grow and they produce much larger produce. Anyway this is a great idea for people with little to no yards.