I love YouTube. With a passion. When I was a teacher, I would tell students who were foggy on a concept to look it up on YouTube because without fail, there would be some great animation or rap or lecture on whatever it is you didn't understand.
And now as a mom, it's a staple. Sesame Street has thousands of videos up on YouTube for anyone to watch at any time and I take FULL advantage of it. Johnny currently has his own channel and these are his current favorites:
Sesame Street Pinball #12
Sesame Street: The Number 20
Sesame Street: Mary Sunshine #11
Sesame Street: Y do I love the letter Y (watch out, this one is really catchy...)
As you can see, most of the above videos are associated with numbers, because Johnny is OBSESSED with numbers... more on that later.