Translation of erreichbar

I have considered the option to bring my friends from other social networks and invite them to join here. They can develop better language skills here. I'd love to pursue that goal, but I want to write in English.
Until now I have tried the copy the mode of operation of Mike in class. Even the homework that they gave us do not match the exercise that we tried yesterday. I could not fulfill this task anyway.
I am a kindergarten teacher for children between age 4 and age 5 and additionally I teach at a school here in Munich: music, painting and handicraft. At the moment just we have holidays.