The country that the keyboard was invented in depends on which type of keyboard. The musical keyboard and computer keyboards were invented in different countries.
No, It Does Not Come With The Detachable Qwerty Keyboard.
America
It does not come with a carry case although you can get one at Staples.
== == kentucky
India.
india
Many of the better quality keyboards will come with either an attached keyboard stool or a stand alone stool to hold up your keyboard; brands like Yamaha and Casio also come with a variety of different stools to choose from for the right fit to your keyboard.
It depends what you mean by 'Braille keyboard'. If you mean a keyboard for use on a computer - most keyboards already come with a raised area on the 'home' keys of 'F' and 'J' so a person can position their hands without looking. If you mean a keyboard to type in Braille - contact your local blind charity - they'll have contacts of companies that manufacture the devices.
no it doesnt
Keyboard instruments.
pianos and drums