Meet the AstroBot Kit: an educational robotic kit that lets you build a humanoid, anthropomorphic wheeled vehicle and treaded mobile robot. It not only comes with a space-themed backstory to keep your children entertained, it has 5 servo motors, tank treads, sensors, and everything they need to experiment on their robots.
The kit comes with 397 pieces, including 2 x 16 color LED lights, an IR sensor, and a speaker. The robot can be controlled from an app. Expected to sell for $199.99.