Yes it does.

Hi the cost it 700 Baht for half day course.

Hey we booked it the day of in the morning but it was low season and we were only two people. I would do it a couple days in advance but don't worry too much about it

I believe we used cash, but we didn't book our class with the company, we booked with our hostel (the green tulip house) and paid for it there

They seemed to be very accommodating to all food intolerances, allergies and preferences, so yes I am sure all dishes would be able to be prepared without meat or with tofu. But, a key component of most Thai food is fish sauce, which may not be appropriate for some vegetarians.

We cooked with our five year old who helped each of us rather than separately. This worked well as it meant good supervision while allowing them to join in with chopping, chucking ingredients in the wok/pot.

Creo que no hablan español sino los instructores hacen todo la leccion tan sencillo que no necesitas hablar el idioma.

yah or just give a call or ask your hotel/hostel to do for you! Happy cooking