But Here's How It Works:Ill Tell Ya The Most Expensive & Most Cheapest Minifigure In Each Theme:

LEGO CITY:

The Cheapest Lego Minifigure:Retro Lego Mini figures

The Most Expensive Lego Minifigure:Truck Driver With Special Hat

LEGO NINJAGO:

The Cheapest Lego Minifigure:Kai (AKA The Fire Ninja)

The Most Expensive Lego Minifigure:Wooden Master Wu (Made Only For The Lego NINJAGO Movie)

LEGO JURRASIC WORLD (This Is Only About The Dinosaurs):

The Most Cheapest Lego Dinosaur:Baby Velociraptor (Not Talking About The New One, I'm Talking About The Old One)

The Most Expensive Lego Dinosaur:Him;

He Costs 10,000$ BTW