Star shaped white sand glows in the dark as if real stars shine in the night. Natural star shaped sand come from Japanese islands-Okinawa! Have a close look at them, each piece of sand is in shape of star. Amazing! Luminous sands emit fantastic blue light in the dark. It’s so cute… Star shaped sand is actually the shell of forum, micro creature living in the ocean. Okinawa people call it as Happy Sand or Love Sand.Phosphorescent material absorbs sun light or artificial light and emit the light in the dark. The sands keep to glow for 5 hours with 30 minutes of absorbing light. It’s durable for semi permanent use. It doesn’t need any power source. Size:3 x 8.5 cm.