Interactive Transformation: Each dinosaur evolves from cute to angry with a simple push on the head. Dynamic Features: Pushing down on the head opens the mouth and extends the top teeth aggressively. Expressive Eyes: The eyes change from a normal look to a fierce attacking look during transformation. Fidget Fun: Great for fidgeters who enjoy changing the dinosaur's expression back and forth. Collectible Series: Includes Ankylosaurus, with T. rex and Velociraptor also available in the series. Detailed Packaging: Packaging features unique bite mark details for an authentic look. Compact Size: Each figure stands approximately 3 inches tall and 3 inches long. Age Appropriate: Suitable for children aged 4 years and up.