They usually search mutually for understanding, solutions, meanings, or creating a product. Group challenges require learners to produce a product for a specified purpose. In this case : a better way of life in our town.
Collaborative learning is an umbrella term for a variety of educational approaches. The teacher’s role is simlpy to create an environment where young people are willing and able to work collaboratively, where there are plenty of opportunities and stimulating contexts to work with others, to share their emerging ideas and understandings.
Playing with lego bricks it's a great occasion to do this! I'm sure!