These are spinners to play Music Staff Twister with a giant floor staff. I created my floor staff with gym tape. There are spinners to use line and space numbers or lettered pitches. I suggest printing on cardstock and laminating for durability. You will need a single hole punch and brad to affix the arrow to the spinner board. A more detailed description of this game can be found at musicwithmrsdennis.blogspot.com, search keywords "Music Centers".