Stuart / 2D Growing up

Who knew a pony could change so much in their life!
Site: ponylumen.net/games/3d-pony-cr…

I made this while listening to Revolving Doors over and over again.
Anyway, I've drawn this, so I decided to make it using Pony Lumen. Thanks for the great game!
EDIT: Did you realize 2D's tail goes blue without anything else happening?

EDIT: Changed something
EDIT 2: Changed some words
EDIT 3: Made Phase 2 and 3 different