A free smartphone app will allow the public to check in each time an egg is found. The eggs' locations will remain secret until 10 people use the app to check in at an egg. At that point its location will appear on an interactive map. People can win prizes for finding eggs.
Each egg is unique. One was designed by "Where's Waldo" creator Martin Handford.
The original Faberge eggs were fancy egg-shaped works of art. They were made for the families of Russian czars. The czars ruled in the late 19th and early 20th centuries.
The original Faberge eggs were the size of real eggs.
Many of them opened up to reveal elaborate tiny treasures inside. Some are now displayed by museums around the world.