{
    "variants": {
        "": [ { "model": "block/bricks", "weight":6 }
,{ "model": "block/bricks1", "weight":6 }
,{ "model": "block/bricks2", "weight":6 }
,{ "model": "block/bricks3", "weight":6 }
,{ "model": "block/bricks4", "weight":6 }
,{ "model": "block/bricks5", "weight":6 }
,{ "model": "block/bricks6", "weight":1 }
 ]   }
}