{
  "multipart": [
        { "when": { "age": "0" },
		"apply": { "model": "block/beetroots_stage0" }
        },
        { "when": { "age": "1" },
		"apply": { "model": "block/beetroots_stage1" }
        },
        { "when": { "age": "2" },
		"apply": { "model": "block/beetroots_stage2" }
        },
        { "when": { "age": "3" },
		"apply": { "model": "block/beetroots_stage3" }
        }
	]
}