"Ladybird Do You Know?" is a series of books based on STEM and English education for children aged 5 years and up. These nonfiction books include videos, projects, and critical thinking activities. Each book poses a series of BIG questions about STEM topics, such as nocturnal animals and bridge building, developing children's language, communication, and research skills. The five levels progress from CEFR Pre-A1 to A2. The book "Plastic," a level 2 reader, is A1 on the CEFR scale and supports YLE Movers exams. Short sentences contain a maximum of two sentences, introducing the past and some simple adverbs. How do we make plastic? Why do we use plastic in hospitals? How much plastic is there in the sea? Learn more about oil, microplastics, and recycling.