Robotic 3D Wooden Simulation Animal Dinosaur Assembly 3d Puzzle Model Toy for Kids and Adults Tyrannosaurus Rex , a good and funny Christmas gift - Sound Control To Move and Roar :Clapping hands once:Move towards and roar,Clapping hands twice:Turn right and roar,Clapping hands thrice:Turn left and roar - Build your own robotic wooden dinosaur buddy and watch it come to life - Walks, roars and responds to sound after assembly - Easy to assemble with no glue or tools needed - Includes wooden kit, sensor, electric motor, battery box, and manual