[
  {
    "id": "prac_mechanics",
    "type": "practice",
    "activity_level": "LIGHT_EXERCISE",
    "category": "CC_PRACTICE",
    "subcategory": "CSC_PRACTICE_MECHANICS",
    "name": "mechanics (beginner)",
    "description": "Practice attaching and detaching wheels to vehicle frames.",
    "skill_used": "mechanics",
    "time": "1 h",
    "practice_data": { "min_difficulty": 0, "max_difficulty": 2, "skill_limit": 3 },
    "autolearn": [ [ "mechanics", 0 ] ],
    "tools": [
      [ "foldframe", "xlframe", "frame", "hdframe", "hdframe", "frame_wood", "foldwoodframe", "frame_wood_light" ],
      [ "wheel_wood", "wheel_wood_b", "wheel", "wheel_bicycle" ]
    ]
  }
]
