From Rovio Mobile:
Bad Piggies is an another offshoot of the popular Angry Birds game. The Bad Piggies are after the eggs again. Create the ultimate flying, driving, and crawling machine and steer them safely to their destination. With your help and lots of creativity, a few basic pieces can turn into the most amazing transportation. Bad Piggies has more than 90 levels, plus free updates, so there's no end to the crashing, driving, and flying fun. Use 33 different objects to explore the world with the most fantastic machines you can imagine.