Thank you for your help and suggestions!
Summary of summer:
In July I spend three weeks in Estonia and took part in the Estonian language course in Tallinn. There I spoke Estonian every day.
I also revised grammar, watched videos and wrote texts in the language. I read the first three chapters of "Arabella, mereröövli tütar" (a book for children in Estonian
I wrote two short text about my trip to Estonia and played on Duolingo (almost finished
I spoke English in Estonia with people from other countries, took part in English-speaking club. Also watched the movie "Love comes softly".
I bought the textbook "Soome keel iseõpijale" (in Estonian) and I'm planning to start soon.