Go on an under the sea mermaid adventure by decorating and growing your own crystal mermaid terrarium! This kit comes with a plastic terrarium with shining lid, ready-to-grow crystal coral, buried treasure, a squishy starfish, beautiful mermaid stickers, a shell, sand, mermaid and undersea stickers! (Requires 2 AAA batteries – not included) Turn your science project into a cool night light! The light up lid and glowing mermaid stickers will light up your room during the day and night. For ages 6+