woohooo!!! 당신 can get the official H2o locket here... link
Very rare and hard to get hold of.. sold out everywhere.
Its a replica of the locket (with moodstone) that the 인어 wear in the TV show H2o Just add Water and is an official licensed product.
The 목걸이 is great quality. It is a highly polished stainless steel 목걸이 that looks like silver. The locket opens and has three pictures of the 인어 to put inside (or 당신 can use your own photo).