I made a Tamagotchi Pix Growth Chart! based on the information I could find on Tamagotchi Wiki. This isn't a complete growth chart, we don't know all of the adult characters yet,
Tamagotchi Connection V3 Growth Chart - Tama Town
Tamagotchi Smart | NeoMametchi Logs
Pin by mickey quinn on ✨neopia✨ | Tama, Growth chart, Virtual pet