7 апр 2002 г. - realized that my ball didn't just vanish when it rolled under the couch
Описание:
I figured out my ball didn't just vanish when i could't see it so i would go look for it. I learned this around 18 months, this is the SENSORIMOTOR stage.Добавлено на ленту времени:
Дата:
7 апр 2002 г.
Сейчас
~ 23 г назад