Amazon currently has LEGO Ninjago Thunder Raider on sale for $19.49 (reg.$29.99). Savings work out to be 35% off. One of the lowest prices this set has seen after it was released a few months ago. LEGO City Fire Truck is also $15.62 (reg.$19.99) which works out to be 22% off. Thanks to forum member tremere for the news.