Instructables
video Repair DS Hinge Shell 1 of 2
Video shows how to repair a Nintendo DS Lite broken Hinge by replacing the DS Lite shell / case. Tools required include a small phillips head screwdriver and triwing screwdriver: http://www.nintendodsliterepair.com/ a replacement DS Lite Shell: http://www.nintendodsliterepair.com and a replacement DS Lite Hinge and Axis Barrel: http://www.nintendodsliterepair.com/

What about the cases for the original ds?