Roar! This cool animated Roar & More Triceratops dinosaur has been adapted to accept a standard 1/8" switch (not included). Press your switch and watch as they comes to life, roar and move about. Can also be used without a swith. Measures approximately 12"L x 6½"W x 12"H. Requires 3 AA Batteries. A great way to engage students in learning about dinosaurs, language stimulation, auditory stimulation, and visual tracking.