There is a total of 6 different pieces that you can collect and put them together to creat the Going Merry from One Piece.
Retail price is 4,788 Yen
Article and images from ToysDaily and posted by Douglas.M.Saint.
What it looks like when all are put together
Below are the six different pieces that you can collect to build the hull of the Going Merry
Vivi and Crocodile in Alverna