Vanish - The Vanishing Egg

Vanishing Egg - Side 1
Vanishing Egg - Side 1
Designer:Vladimir Krasnoukhov
Craftsman:Anatoli Nevrov & Valeria Mamedova
Pieces:4, plus the egg

This is a Russian folk-art version of a very old puzzle. It usually takes the form of a King of Diamonds cut into four pieces like those shown here. Study the pieces carefully and you should be able to determine the secret.