{
  "backpackKey": "redstone",
  "items": [
    "minecraft:redstone",
    "minecraft:repeater",
    "minecraft:comparator",
    "minecraft:redstone_torch",
    "minecraft:wooden_pressure_plate",
    "minecraft:stone_pressure_plate",
    "minecraft:lever",
    "minecraft:command_block",
    "minecraft:stone_button",
    "minecraft:wooden_button",
    "minecraft:tripwire_hook",
    "minecraft:piston",
    "minecraft:sticky_piston"
  ]
}