Mattel Jurassic World Massive Action Siamosaurus This Massive Action Siamosaurus is a carnivorous dinosaur figure that brings big adventures to life with species-specific neck-kicking action and aggressive CHOMP! Press the button for an aggressive chomping attack with the massive jaw and twist the tail for impressive neck-thrashing action. Bring this large predator to life with extensive digital play with Augmented Reality! Scan the hidden DNA code with a smart device to unlock the AR experiences in the free Jurassic World Facts app. Suitable for children aged 4 and up.
