Technology in Ziranek improves so quickly that old robots are just replaced and sold for parts. These Robots are all minipets that just need a new battery to repair them. You can save an old Robot Minipet from being destroyed and made into a Marapop Can by bringing the correct Battery that a robot needs and you can repair it. If you repair one, you will be rewarded with MP. If you are really lucky, the new repaired Robot might be so grateful that you can keep it!