You are a team that has been hired by an amusement park called Roller Coaster Island. Roller Coaster Island is in need of new and exciting roller coasters. Your job is to design, and build a model of a working roller coaster. You will also need to take an engineer's test to prove that you have the qualifications to build the actual coaster. In order to design and build a roller coaster you need to learn about roller coasters and how they work.