... eyes blinking. mouth open and close synchronized with vivid dinosaur roaring sound, 2.Used at: fun theme park, amusement park,theme park ... natural history,science museum,dinosaurs museum,wildlife and dinosaur park, fun park, etc. 3.the calculated chassis size and weight ... the chassis. 4. Accessories Included: Control Box with one free spare, 2 speakers with build in woofer and volume controler, remote ...