Approaching Earth from an alien spacecraft, it might be hard to tell if this rock is inhabited during the daytime. Not so at night, where the place is lit up like a Christmas tree, and this Discovery City Lights Globe gives you an accurate representation of that.

Using an electronic induction system, it seems to float above its base, slowly turning and depicting night and day. If only it would turn at the exact speed of the Earth, it would function more like a clock, letting you know, for example, when your friends in China are asleep. Aside from that, it's fairly accurate, depicting the unfortunate nighttime darkness of North Korea and most of Africa.

If this 10-inch globe's $90 price is a little steep for you, go for its $50 little brother with the same features but 6 inches in diameter.

Discovery Store, via Red Ferret