Wind Power

As per the WINDPOWER energy instruction says that did not use tape and metal. Not sure how it can be stick together base and turbines, Shall we use at least pushpins, glue, or tape for sticking purpose? How it can be a wind turbine and tower without support? how we can be used?

Answers: The only materials allowed are those listed in the rules manual. It is the task of the students to solve the engineering.