Struggling to distinguish between different plastics? Uncertain whether an item should go in the trash or the recycling bin? Meet PET: a super recycling helper robot created from nine-year-old Noboru Yamada's recycled plastic bottle. PET has been programmed to protect Noboru at all costs, even if it means creating more trouble in the process. Follow the misadventures of a young boy and his robot companion as they learn about the best recycling practices along the way.