This is an effective method of ensuring that scholars improve their knowledge of aspects of the content. Knowledge gained through students' effort is always much better than knowledge gained from the teacher. In the era of technology scholars can find knowledge on pieces of task assigned to them
Though there are champions of the jigsaw method, the research is mixed. Planning and efficient use of time must be considered. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10436097/
I am not sure this is relevant, but in the past I set to my elementary school students a task. That was to create a crypto-words exercise with words or concepts they had just learned. Then they would exchange it with others and solve it.