As Anna placed Timmy on floor of his room, Timmy watched in fasination as she began to grow younger. Her breasts firmed up and grew smaller as she entered her teenaged years. Anna's clothes turned into a short mini skirt and crop top. Her blonde hair got lighter as was pulled back into a pony tail. She continued to grow younger thru her teenage years.
"Lets get your training pants on, then you can play with your toys", said the now 16 year old Anna as see kneeled down toward Timmy's level.
Timmy caught sight of Anna white panites as she came down. They turned from plain white to light blue panties with flowers as Anna turned 12 years old. Freckles appeared on her nose as she put on Timmy's training pants. Timmy watched as the mini skirt and crop top turn into a summer dress as Anna turned 10 years old.
"There now all done, mommy will be proud of me in taking care of my little brother and sister while she is outside", smiled 9 year old Anna.
Just then 2 year old Kathy waddled in saying she needs changed.
"Is my baby sister wet?", asked 7 year old Anna.
"Yes'th", answered little Kathy as Anna came over.
"Let's see if I remember how mommy does it", wondered 6 year old Anna as she looked for diapers for Kathy.
"Where mommy keep diapers?" asked 5 year old Anna. "Wet's go find mommy, she know what to do", said Anna.
"MOMMY KATHIE WET!", shouted 4 year old Anna as her panties turned into training pants.
As Anna waited for mommy to come to change Kathy, she felt a tingle at her pee pee area. But before she could head to the bathroom she became 2 years old and the training pants became diapers. Anna's sundress disappeared. Anna felt her diaper get wet and warm.
"Oooh Oh, me pee pee, me nee ange too", said 2 year old Anna to her twin sister Kathy.
Timmy was so distracted on watching Anna grow younger, he did not even notice that a wet gooey mess was oozing out his little butt into his training pants.
"EWWWW Timmwe stinky", said Anna pinching her nose.
"Ya EWWW , me tell mommy", said Kathy also pinching her nose.