New Comer come say hello and help answer my question

hello i am enrolled as a student in sap and have some privilages as you know and my question is ,can i accesss an unlimited hand on practice sap erp system to practice what i have learned , cuz i found out some of the courses have limited days for hand on practice and i have been busy studying other stuff as i have a duedate to finish those studies ,,if yes please provide me with this important information on how to access it and thanks in advance