Please help I got mine but I'm confused Mod 10 top 1

Module 10: Optics Topic 1 Application: The Law of Reflection In this application, you will choose one of two optical tools to make or describe. When you have completed your assignment, submit it to the dropbox. A periscope uses mirrors to see around things. Describe, in detail, how you would build a periscope out of household materials. For an example, visit the Exploratorium. Describe how you built it and explain how it works using a ray diagram. Create a presentation (converted to PDF) to display your results. Refer to the Developmental Module for tips on creating effective presentations. Be sure to include your drawings of your periscope