I have coached my son's team for the past two years ( K and 1st grade) and it is really fun. It is non competative for grades k-2 and all teams nationwide must complete the same project. In K the project was called Big Bugs Bad Day and the children and to create a play explaining why Big Bug was having a bad day, come up with the characters, set, etc. This year the task was to create the last toy ever made and put on a play about it. The children enjoyed both projects and came up with really creative and fun ideas.
In third grade it becomes competative and the team gets to pick which project they want to do out of several categories. They are also able to compete at state and national levels if they win at the local level.
I think it is a great experience for children that allows for creativity, problem solving and how to work successfully as a team.
I highly recommend it!