Alexandra Fink is known to countless music students for her musical jokes and crossword puzzles. Now, together with her co-author Sylvia Yersin, she introduces Pius, the Frog, into musical basic education. The booklet contains templates for entertaining puzzles that lighten up the classroom routine and can also provide a calming effect for teachers during quiet work phases. Creatively designed worksheets, which are often laboriously created by music teachers, are here presented ready-made. The puzzles playfully convey fundamental musical knowledge. Pius wants to know all sorts of things from children aged 5 to 8: instruments, rhythms, dynamics, notes. Who could possibly resist answering such a charming frog?.