Do you know how different things work, cars drive, ships sail and planes fly, how houses are built and how plumbing works, how household appliances work and why it’s cold in the refrigerator, what are rescue and agricultural equipment? Look under the doors (some of them double) - and you will learn a lot of new things and you will be able to tell your friends about it. The book has more than 70 windows, the book is made of thick, high-quality cardboard and will last a long time.
