Lego giraffe tail repeatedly stolen

Giraffes Zagallo (L) and Beija Ceu or ''Sky Kisser'' stand together during a ''wedding ceremony'' at the zoo of Rio de Janeiro April 16, 2008.

BERLIN (Reuters) - Visitors to a tourist attraction in Berlin have been making off with an unusual memento -- the 30 cm long tail of a Lego giraffe.

The Lego tail belongs to a six meter tall model that has stood outside the entrance to the Legoland Discovery Center on Potsdamer Platz since 2007.

"It's a popular souvenir," a spokeswoman for the center said Tuesday. "It's been stolen four times now ..."

The tail is made out of 15,000 Lego bricks. It takes model workers about one week to restore it at a cost of 3,000 euros ($4,300), the spokeswoman said. (Reporting by Caroline Copley, editing by Tim Pearce)