Let your little ones decorate and grow their own crystal mermaid terrarium! They'll be able to turn a sturdy plastic jar and crystal powder into a glowing mermaid themed terrarium.Details:6.6" x 4.7" (17cm x 12cm) terrarium sizeRequires 2 AAA batteries (not included)For ages 6 and upWARINING: This set contains chemicals that may be harmful if misused.Contents:Plastic terrarium with shinning lidReady-to-grow crystal coralBuried treasureSquishy starfishBeautiful mermaid stickersShellSandMermaid and undersea stickers