This marvellous Bird Boxis from crystal glass and polished and rhodinised. Description of movement:the mechanism is in special rhodinised version. The bellows are handmade from wood and leather. The bird beats with its wings, moves its tail, opens its bill in rhythm of its song and disappaers in magic way after 10 - 12 seconds, genuine bird feathers, movement reserve: 7 movement cycles. The movement exists from more as 250 single parts, the bird from 25 parts. Dim.: 130x85x45 mm