Размер видео: 1280 X 720853 X 480640 X 360
Показать панель управления
Автовоспроизведение
Автоповтор
I just want to tell you how much I really appreciate watching your videos. It really helps me to see you do these experiments and demonstrations; they encourage me to practice at home before going into the classroom!
These are so helpful! Thank you so much for making them!
I just want to tell you how much I really appreciate watching your videos. It really helps me to see you do these experiments and demonstrations; they encourage me to practice at home before going into the classroom!
These are so helpful! Thank you so much for making them!