Because some schools thinks it a distraction and a lot of people play and text on the electronics instead of doing there work so that's why they don't allow electronics in schools
Cob has been used since the 17th century as a building material. It is made by mixing dry sand, sifted clay and water. A cob house is a house that is made from this material. A benefit of using this material, is that it is sustainable and only uses natural products.
I am not sure that New Zealand contrast with the raven and the first men the beginings
I think it was the Soc's.