Nendoroid Petit Vocaloid #01

Name: Vocaloid #01 (Petit)
Character: Miku Hatsune, Kaito, Meiko, Luka Megurine, Neru Akita, Haku Yowane, Meiko Sakine, Saihate Miku.
Character copyright: © スミス・ヒオカ/CAFFEIN/daigoman・斜め上P/小林オニキス/CFM
Series: Vocaloid
Manufacturer: Good Smile Company
Material: ABS & PVC
Original Price: 500 Yen for each small box, or sold in larger box (12 smaller box containing 10 different prices, one special piece and one duplicate)
Release Date: Dec 2009
Secret piece is Miku Hachune.

Own: 1 set (complete)

http://www.goodsmile.info/detail/eng/2601/Nendoroid+Petite%3A+Vocaloid+%2301.html

I think you may have listened to plenty of Miku Hatsune, Kaito or Luka Megurine, but may not listened enough to the rest of the characters. So I give you the links below.

Neru Akita


Haku Yowane


Meiko Sakine


Saihate Miku