الفصول الدراسية
Workbook unit 5 – 8
The greatest inventions
the children are at the museum of ideas
some early cars had two three four wheels
the children get an idea for a new type of phone bike balloon
they want to make something that car fly
Boomerangs are well known in australia where they have been
made by the local people for the past years However
boomerangs were much earlier and were used in other parts
