Come and build your own mermaid world! What plants will you choose? There are many seaweeds and exotic underwater plants to make your mermaid world green and friendly. Let's select many fish and magical creatures, too! It makes you happy to see them swimming around back and forth. There are many other decorations like mysterious treasure box, old stuff from a wrecked ship. It's fun! At last don't forget to invite your mermaid princess to the wonderful world you created!