I would say all in Spanish, but there is a "Bruce Kirk" as one of the teachers. Don't know who he is, but I assume he is a native English speaker. In any case, a lot of educated Uruguayans speak English at least to some degree and I would imagine this group would be pretty well educated. The cost UYU 8000 (around USD 420).
Do NOT activate your jet pack until AFTER you get out of the car! Even this tiny ad knows that: