It is the helicopter.
Leonardo DaVinchi
Yes Leonardo did invent the scissors... -Taylor D. S. Age:11
You cannot INVENT something which already exists. Leonardo studied the structure.
No. Only Leonardo.
No
no
A kind of.
Yes. Leonardo Da Vinci did invent the hidden blade, it's not its not a exact replica from the Game "Assasins Creed II". BTW he did not invent it in the game..
No.
In 1502-03.
No
No