Can players help the mermaids catch the dangerous fish in the bubbles? According to legend, mermaids keep watch over the seas and the oceans. By blowing big bubbles, they can isolate the dangerous monster fish, so their friends can swim around freely and without care. Through 48 IQ-building challenges players build logical reasoning, higher cognitive thinking and improved visual and spatial perception. The single-player game’s compact game board and convenient storage compartment make it great for on-the-go and travel.