Blue ceramics or blue pottery is a national treasure of the Netherlands, made after Chinese porcelain. In the blue pottery factory, you can see the whole process of blue pottery production, there is a Chinese guide. There are painters on the spot to paint blue pottery, and there are many treasures of blue pottery. The price of blue ceramic products in the back store is very expensive, and any small piece is hundreds of euros. There are also some so-called discounted goods, dozens of euros, crude and unmade, not recommended to buy.