Nautical Baby Shower Ahoy Matey balloon decoration centrepiece. Why not coordinate with the rest of this nautical party theme, or with red, white and blue to give your party a nautical seafaring theme. This balloon centerpiece kit come with one main balloon and three smaller star balloons. Simply blow them up with air and use the sticks provided to place them in the centrepiece. The balloons will not float as they are air filled rather than helium, but will make a wonderful eye catching piece for your table.