The LEGO MINDSTORMS Robot Inventor (51515) offers an amazing physical and digital world of programmable, remote-control robots and intelligent creations. With almost 1,000 pieces, kids can build 5 unique, motorized robots and vehicles using the free LEGO MINDSTORMS Robot Inventor App, and bring them to life using the drag-and-drop coding environment based on Scratch. The set includes an intelligent Hub, 4 Medium Motors, Color Sensor, and Distance Sensor with break-out interface, as well as a rechargeable battery. Kids can also build their own fun robotic toys and share them with other robot fans on LEGO Life. The latest evolution of LEGO MINDSTORMS coding robots for kids helps youngsters express and develop their creativity while gaining essential 21st century STEM skills.