[00:01] ? Haha, a little bike is nice. This is a sophisticated bicycle. Look, my bike can climb stairs because it's a smart bike. Your bike can't do that, right? Yes, can't go down stairs, right? Haha, we'll see. Hey, who says you can't [00:15] go down stairs too. This is a magic bike. Okay, now can grandma's bike go down a downhill road? Yes, of course you can . Look, Grandma, help me, Grandma. My bike is fast, it can't brake. Ah, just leave it.