Maybe you need some hints as to how to keep your puppets looking good and make them last longer. They are not easy to make and cost a lot to replace. You say you have young people using them and they just won't listen. We've got some suggestions that you may find helpful. Learn the various types of entrances and exits, voice synchronization and hand gestures.
Proper technique is the key to believability.
It's perfectly likely that you have ten or twenty more voices in you that you haven't found a way to get out yet. Find out how. Once upon a time, there was a nursery rhyme, it had a lot to say, in a very special way. The kids all loved it dearly, and understood it clearly. The message was so neat, and easy to repeat.