$20.40

Thumbs up! This unique thumb spike belongs to Iguanodon, a plant-eating dinosaur. Iguanodon's hand worked backwards: the thumb couldn't move (but worked well as a weapon) and the "pinky" finger wrapped around to grasp. Cast from a scientifically accurate model in fine museum- quality resin.

Specs: Iguanodon.
Early to Middle Cretaceous (140-110 m.y.a.).