Instructions: Use your mouse to aim the sea tube
Click to fire an urchin
Match 3 urchins of the same color to clear them
<a href="http://www.funpuzzlesgames.eu/index.php?og=Urchin+Merchant%3E%3E%3E%3E741380451d57c8c5&ogc=Puzzles" target="_blank">Urchin Merchant</a>