R/C Robots & Dinosaurs 3-in-1Carefully Designed: This building block has 3 ways to assemble, and finally assemble into completely different remote control cars. Each shape is carefully designed, unique and interesting Remote Control: It can be composed of mechanical Tyrannosaurus, mechanical wing bird, and robot. Each form has tracks and remote control, which can be controlled to move left and right anytime and anywhere Flexible Parts: The heads and joints of the three forms can