Jenga GIANT Premium Booster Pack (can now stack game to over 4 feet!) You can now stack your existing Jenga GIANT Premium Hardwood Game to over 4 feet high! 12 precision cut, polished, premium hardwood blocks NOTE: This is not a complete game. You add it to your existing Jenga GIANT Premium Hardwood Edition Game in order to increase the potential height. This item is packaged in a plain brown box.