{
  "params": {
    "colour": {
      "type": "choice",
      "options": [
        "red",
        "blue",
        "yellow",
        "green",
        "timber"
      ],
      "default": "blue",
      "label": "Colour",
      "describe": "Beam colour: red, blue, yellow or green painted steel, or timber (a varnished wooden plank)."
    },
    "handles": {
      "type": "choice",
      "options": [
        "bar",
        "hoop",
        "horse"
      ],
      "default": "bar",
      "label": "Handles",
      "describe": "Handle in front of each seat: bar (T-shaped grip on a post), hoop (a curved loop over the beam), horse (a chunky wooden horse head with a grip peg through it, toddler style)."
    },
    "bumpers": {
      "type": "toggle",
      "default": true,
      "label": "Bumpers",
      "describe": "Old tyres half buried under each seat to soften the landing."
    },
    "seats": {
      "type": "choice",
      "options": [
        "pad",
        "saddle"
      ],
      "default": "pad",
      "label": "Seats",
      "describe": "pad (flat padded seat), saddle (a raised seat with a low backrest)."
    }
  },
  "presets": {
    "wooden horse seesaw": {
      "colour": "timber",
      "handles": "horse",
      "seats": "saddle"
    },
    "school yard seesaw": {
      "colour": "red",
      "handles": "hoop"
    }
  },
  "night": null
}