Cylinders is associated with the Kindergarten-Grade 1 Reading topic of Other Subjects: Math. Included are an e-Book and two targeted activities that focus on creating a story and sentence building. These enrichment activities provide elementary school students with a way of acquiring this important assessing skill. All of these software activities are available in a browser. You must have Internet access to play them (you do not need a special application to open this file type as any browser will run it).