{
    "variants": {
        "age=0": { "model": "block/beetroots_stage0" },
        "age=1": { "model": "block/beetroots_stage1" },
        "age=2": { "model": "block/beetroots_stage2" },
        "age=3": [ { "model": "block/beetroots_stage3", "weight": 1 }, 
		 { "model": "block/beetroots_stage3_1", "weight": 1 },
		 { "model": "block/beetroots_stage3_3", "weight": 1 },
		 { "model": "block/beetroots_stage3_3", "weight": 1 } ]
    }
}