Rex London 3 Mood Rings HEART, STAR & MOON. These magical rings can change color as if by magic with the warmth of your fingers! The color of the ring indicates your mood. They can display a total of six different moods: yellow stands for happy, purple for excited, light blue for calm, green for relaxed, dark blue for nervous and orange for energetic. The rings come in 3 different cute designs: heart, star and moon. Fits most fingers - the inner diameter of each ring is approx. 1.4 cm. Slight adjustments are also possible. Material: plastic. Size: 1 x 1.5 x 1.8 cm. Packaging size: 9.2 x 10 x 1.8 cm. Not suitable for children under 3 years. Choking hazard!