Ghost Blitz - This is one of my favourite game to play with kids because they will often win, something about not having as much to worry about lets them react quicker like super powers I swear. It's also a good game that kids can enjoy by themselves although you might have to referee a fisticuffs if two happen to grab a piece at the same time.
Eco Fluxx - Mostly luck based but fast, fun, and exciting. Because of the way 'fluxx' games are played there are always multiple climaxes and almost victories, having a version that is themed around the ecosystem makes this a rather cute family appropriate version of Fluxx.
Kalimambo - Monkeys, Rhinos, Poop and Explorers. Need I say more? The theme is cool but the artwork is cooler, the gameplay is simpler but has a couple quirks that are tricky at first. Playing Kalimambo helps build and develop math skills, only being allowed to play each of your cards once makes timing is critical.
Cockroach Poker - Despite the word poker in the title there is no gambling involved, in fact the only thing that this game has in common with poker is bluffing. Teaching kids to read expressions can be very important and is often overlooked in our 'digital' world where facial expressions and body language are often hidden behind text. The artwork is fun and playing is always a hoot especially when a card is passed around 3 or 4 times before someone guesses what it is.
King of Tokyo
Army vs Aliens
Ticket to Ride: Europe