This is an excel document and that you can enter all your students' usernames and passwords in. I print out a set for the classroom and I send one home with each student. I print them on card stock, cut, and laminate them. I put the whole class on a ring and when they need them they get them or I pass them out if we are doing something on the computers whole class. I always keep them on the ring so they don't get lost in their desks. The home login card I tape into their planners.
You could also print them out blank and have the students write their own information in them.
Hope you find them useful!! :)