The world's largest snow globe will be in Bryant Park today through Tuesday with real live snow people inside. There will be ice sculpting demos and other events. See the whole schedule at NewYorkology. And more fun for train lovers: The Holiday Train Garden opened today in Battery Park City's North Cove. It's open Thursday through Sunday. Get hours and directions here. Another great thing for transportation lovers little and big. The MTA is rolling out some vintage buses and subways on special MTA routes on Sundays in December. Again, NewYorkology has not only the whole scoop, but some great photos of the vintage trains. In other news: Our long time advertiser College Nannies and Tutors is offering a new holiday promotion. Sign up for on-call babysitting or nanny service and there's no placement fee. Support the people who support Mommy Poppins and give them a try. Find their ad in our sidebar and give them a call or email them for more information. I've been having a lot of fun watching the "Are you sick of Christmas posts?" poll. After being in a dead heat all week, the Christmas post lovers have pulled out ahead. Check it out and cast your vote. You'll find the poll in the sidebar of our site. And don't forget to enter our Scholastic Store Extreme Makeover Giveaway. Lastly, there's been quite a hullabaloo in Brooklyn parenting circles about the "Toxic Preschool." Follow the story here, here and here.