Talk: Risian Lohlunat Pearl

What if you used your Lobi Crystals and ended up with an odd number of left over Pearls after you got your cool free ship? Will there by a way to trade these back in for anything? Do I have to save the Pearls until next year? Will they work then? Or did I just trash some Pearls? and / or Lobi? What about buying extra ships? Can those be converted into anything useful??? So many question!!!