Royal Twin Mice, Little Sister and Brother in Matchbox Royal twin mice, Little sister and brother in matchbox Maileg EU Maileg Royale Zwillinge, Royal twins mice, Little sister and brother in box Maileg Myszka Royal twins mice, Little sister and brother in box. The royal twin mice is a set of a small princess and prince. They wear golden crowns and beautiful clothes. They sleep in a lovely decorated matchbox with a picture of themselves on the front. Inside the box you find the softest beddings.