Magenta original Tamagotchi
Pink seashell- and flower-patterned V2
Green, transparent V3
Silver and dark red V4
Blue space-patterned V4
White and pink-patterned V4.5
Pink V5
Pink piano-patterned V6
Blue jewel Tamagotchi Friends
Blue P's
Blue Tama Go
Favorite Tamagotchi
V3, V4, Tama Go
Favorite Tamagotchi Character
Shimashimatchi, Bokuhoshitchi, Pekopekotchi and Mimitchi - it's hard to pick favorites though!