Meet the Krypton 3: a modular construction robot kit for kids with 4 programming apps, 365 parts, sensors, and everything you need to get started. Krypton 3 can be programmed using a visual interface, flowchart app, or Scratch. It comes with Gyro, Compass, Microphone, and Position sensors. It has a 6 attachable face system to build custom robots.
Krypton 3 is designed for kids 8+. It is available for under $200 at this time.