If you have a computer and internet access you can
Autodesk has been kind enough to release their software for free to first robotics team. If you find one or two kids who are interested in learning direct them
HERE: to download their choice of cad software (personally i would suggest inventor) and then off season have them start cadding old robots of yours or other miscellaneous stuff. There are probably enough knowledgeable people here who would be willing to help if they become stumped.