Go on an under the sea mermaid adventure by decorating and growing your own crystal mermaid terrarium! Turn a sturdy plastic jar and crystal powder into a glowing mermaid themed terrarium Comes with plastic terrarium with shinning lid, ready-to-grow crystal coral, buried treasure, a squishy starfish, beautiful mermaid stickers, 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 A fun STEAM activity! Simply combine water and crystal powder to activate the crystal growing chemical reaction and watch your colorful crystals grow in as little as 24 hours A great gift for the mermaid enthusiasts in your life! Since 1976, Creativity for Kids has proudly made fun and creative experiences to nurture children’s confidence for life. Complete craft kit is non-toxic, kid-friendly and recommended for ages 6 and up