It is difficult to find, you need to go to the Beiterek hotel, turn right onto the stairs and on the second floor there is an office, inside you can already navigate by the signs, the main thing is to go to the task itself
I bought a soldering kit (the simplest one) and so on for little things
A large selection of different electronics from China. There is a budget, but the models are more expensive, but the quality is higher. Nice sellers. They'll tell you everything, they'll show you everything.