The series was produced by the Israeli Instructional Television Centre for teaching English for the fifth grade students. The Israeli Ministry of Education published study books which were based on the series.
Thelma Ruby and Peter Frye were married in real life. The characters they play in the show (Bella and Mr. Kashtan) have no family relations.
Sharon, David, Bella, Mr. Cohen and Tammy live in the same building on the same floor. Mr. Cohen lives in apartment no. 61; Sharon and David - in apartment no. 62; Bella - in apartment no. 63; Tammy - in apartment no. 64.