3 ms·Do lego sets appreciate?by spaceandshit 7y agoDo lego sets appreciate?rtkwe 7y agoGenerally yes. More for the collector sets like the older UCS Millenium Falcon (though the price for that might have fallen since the new one was released).AlanYx 7y agoThere's a whole niche of websites that track and forecast prices of old Lego sets. Check out BrickEconomy for example.