Lego Transformers Optimus Prime Is Finally Back In Stock With A Big Discount

The extremely cool Optimus Prime Lego set has been difficult to find in stock at any retailer for months, but the Autobot leader has quietly transformed his Amazon listing to in stock with Prime delivery. Considering how scarce the 1,508-piece Lego Transformers kit has been--it was sold out even before the holiday shopping season--it's somewhat surprising that Amazon is also offering a 20% discount that drops the price of Optimus Prime to $144 (was $180). Amazon's deal matches the all-time low p...