Does the notion of Logo worksheets seem slightly incongruous to you? Does simple recursion escape you? Somewhat self-contradictory perhaps, like a lasting fad or the only choice? If so, you have discovered oxymorons. Oxymorons can stimulate eager word study and serious humor in the Logo-infused classroom environment.
Harris, J. (1989). Parallel inconsistencies, Logo Exchange, 7(6), 12-13.