Culture

You can even create the Aerial Screw, a forerunner of the helicopter.

The Armored Car is a lot like a modern-day tank.

Presented as a graphic novel with a plethora of illustrations, kids will love the Big Civil War Book.

Answer questions and earn yourself a brain cell,

The Mechanical Butterfly simulates the beating of a dragonfly's four wings in a jointed motion.

Construct the Multi-Barreled Cannon.

Now every single issue ever published can be viewed on your computer!

Emmy Award- Winning Videos Celebrate Genius

Earth Then and Now records the dramatic way our planet has changed over the past century.

Become a museum paleontologist and archaeologist by excavating, reconstructing and displaying replicas of ancient treasures from around the globe.

New to the collection is the Great Kite, an early "flying machine."

Emmy award-winning videos celebrate genius

The Mechanical Drum features gears that actually move.

In Michelangelo the game, you play an apprentice to the great master, helping him complete his works of art.

Build a replica Paddle Boat (still used on rivers today!).

A heartfelt and vibrant collection.

Put together the pieces for a precursor to the automobile, the Self-Propelled Cart.

The sling was a powerful machine that could throw eight large projectiles at the same time.

New to the collection is the Submarine, a boat with sails that is partially submerged underwater.

Build the inventions of da Vinci's designs

Dig into the past and unearth an ancient warrior

From Afghanistan to Zimbabwe, the CIA World Factbook offers complete and up-to-date information on the world's nations.