What is usually exhidited in the science Museum of London ? How many working exhibits are there in the Museum? What can visitors experience in the children's favourite corner? What do the collections of the Museum demonstrate? ...

What is usually exhidited in the science Museum of London ? How many working exhibits are there in the Museum? What can visitors experience in the children's favourite corner? What do the collections of the Museum demonstrate? Is there such a museum in our countrt? What in it