Instructions (Part I): Open your MakeyMakey kit and and carefully lay out all of the materials. See the below image.
Instructions (Part II): Carefully view the below MakeyMakey introduction video.
Instructions (Part III): Carefully study the below video to learn how to begin using your MakeyMakey.
Instructions (Part IV): Using the above video as a guide, and the materials in your kit, build a MakeyMakey controller for the Scratch game you created last week. Test your controller by playing your game with it a number of times and noting any revisions that need to be made.