This is a set of three: Therizinosaurus, Quetzalcoatlus, and Pyroraptor.

・Therizinosaurus moves its arms, legs, and tail.
Quetzalcoatlus has movable neck and wings.
・Pyroraptor has an open mouth and movable legs.

 

( This is a machine translation. Please allow for possible misinterpretations in the text. )