Amazon Software Engineer I interview questions

I gave my resume in at a career fair and was asked to come in for on-site interviews. It was one interview then I was called back for 2 hours of 3 more similar interviews. All were similar, introduce yourself, general technical questions then a coding question.

It was not a normal interview process. This interview was different from the normal ones, it was based on full day project. In this project recruiters will form a team of 3 or less and they will assign a project which will consist of three parts. By the EOD you will have to complete all the three modules of the project. While you are working on the project, they will have 30-40min interview with you, where they will ask you questions about the given project like how and what will you implement? and why this module? Data structures and details about it.