There is no better way to learn electronics and coding than building and programming your own toys. The WeeeBot Jeep STEM Robot Kit comes with everything you need to build a line follower or Jeep robot. It comes with a drag & drop visual programming interface. The robot car can be programmed using a smartphone app or IR remote controller.
This robot works with Scratch 3.0 and Arduino IDE. Its app is available for iOS and Android devices. The kit consists of ultrasonic, line-following, light, IR, and sound sensors.[where to get it]