Here is another coding robot with a simple design that is made to teach your kids basic coding skills. The Matatalab Lite is made for kids ages 3+. It has control, coding, and sensor modes. In Control mode, kids can control the robot by pushing the buttons on the controller. The coding mode allows the robot to execute a series of commands.
This robot is smart enough to detect sounds, react to light, and react to obstacles around it. It comes with color, light, and distance sensors. Costs under $130 at this time.[where to get it]