4.求这篇英语阅读的答案，效率，满意我加分

Question

如题所述

Answer 1

1 They are made from trash. /They are made from things that people don’t want or need.
2. No, he didn’t.
3. He built these educational toys for children (and teachers )in third world countries. / for poor children.
4. They are cheap and easy to build and full of scientific principles as well. / They are cheap and educational. / Based on science. / …
5. He created a website and recorded educational videos so that children and teachers can learn.
6. They help make science fun and exciting for poor children using available material.