Traditional German folk song (Dutch title: Luid klokjes ).

You can find the official audio tracks and instructional videos here:

You can view the page with notes and illustrations on the Prosveta e-platform .

The song you are looking for is titled (Song of the Bells). It is part of the 1st-grade music curriculum by publishing house Prosveta (specifically the "Prosveta Plus" or "Golyamoto Priklyuchenie" series). 🎵 Song Overview

Listen to "Песен на звънчетата" (Vocal) Instrumental/Karaoke: Play Instrumental Track