Mos Burger Kodomo 110-ban Whistles - 2 pieces Boy and Girl Illustrations by Dick Bruna, the picture book author, in 2006 Two types: girl illustration (yellow) and boy illustration (green) These are quite old. Please refrain from purchasing if you are concerned about initial scratches, age-related deterioration, initial defects, or the outer vinyl packaging, or if you are seeking a perfect, pristine item.