The content of the site is a result of work on the project "Learning by construction in kindergarten", under the program Erasmus+, Key Action 2 with registration number 2020-1-BG01-KA201-079184. The project is aimed at creating, testing and disseminating a methodology for working with Lego Duplo construction material in kindergartens.

It includes: Kindergarten 184 "Winnie-the-Pooh"(Sofia, Bulgaria), DZZD Obuchenie (Ruse, Bulgaria), Epsilon Marketing e.U (Vienna, Austria), T-oppi (Espoo, Finland), Kindergarten 65 "Sunny childhood" (Sofia, Bulgaria), Lernzentrum KEL (Vienna, Austria), Kindergarten Korento (Helsinki, Finland).

The project duration September 1, 2020 to August 31, 2022.