{
      "id": "minecraft_planks1",
      "name": "minecraft:planks",
      "buy": 3
    },
    {
      "id": "minecraft_planks2",
      "name": "minecraft:planks",
      "itemData": 1,
      "buy": 3
    },
    {
      "id": "minecraft_planks3",
      "name": "minecraft:planks",
      "itemData": 2,
      "buy": 3
    }