Versatile 5 in 1 Building FunExplore endless possibilities with this STEM robotics kit that transforms into five exciting models - bulldozer, robot, dump truck, all-terrain vehicle and triceratops truck. Sparking imagination and creativity, erector set offers a diverse range of building experiences for kids App & Remote ControlExperience ultimate control with both remote control and mobile app functionalities. With the apps array of robot gameplay including gyro, driving simulation, navigation path, and STEM programming, children are immersed in an interactive programming world, fostering learning in an engaging manner