Play out a battle scenes with this Primal Clash Furious T-Rex Dinosaur vs. Cyber Gorilla. Watch out for his light up eyes and chomping jaw. Just push the head for light up eyes and realistic roaring sound! Set includes cyber gorilla and t-rex with light & sound. Impactful articulated dinosaur has chomping jaw, light-up eyes and a fearsome roar.Light & sound features are operated by 2 x aa batteries (included for try me).