This pack of sixteen glow in the dark stars are ideal for decorating bedrooms and classrooms. Each star is solid plastic with clever photoluminescent phosphors in them which collect UV light from daylight or artificial light and store it up until darkness falls. Complete with self-adhesive tabs, this pack comes with everything you need to start decorating bedrooms and classrooms for a spacey starry theme. Rechargeable again and againOne Glow MoonThree large glow starsSixteen small glow starsPerfect for children ages 3+ Find out more about how glow in the dark works to get the best from your glow stars.