This activity can be done at any age level, but the older the age level the harder the challenge. It can challenge the students with the following skills and concepts:Teamwork, muscular strength, muscular endurance, cooperation, sportsmanship, strategy, communication, flexibility, listening skills. This activity can be done with mats and if you don't have them in your budget then use rope. It's a good activity to use as teambuilding and can be really done at any age. It will also use a type of guided discovery technique in which the students have to figure out different ways to accomplish the goal at hand and there is no exact way to do it. Try it and you'll see.