Here is an advanced humanoid robot kit with sensors, LEDs, speaker, and everything you need to start with robots. The XYZrobot Bolide is programmable and can be controlled with a smartphone. With XYZrobot editor, you can move it as you prefer. With 3D printable parts, this robot is easily customizable.
The robot has built-in accelerometers to avoid falling. Its IR sensor allows it to detect objects from a distance. Bolide has smart sensors that transmit temperature, speed, and position data. Like what you see? You can get yours for under $650.