dunno cos i didnt ask when i bought level 1... anyone wants the contact pleaseleave your email add here and i email you all the number ba, ask the person selling the notes about prices coz i really dunno about level 2 and 3... by the way this source is not my friend, just that a friend of mine has bought from this source b4, so she told me about it and i bought a set from them as well... ^___^