Playing around with the Raspberry Pi is a great way to learn electronics and coding. The PiCar-X is an AI Smart Robot Car Kit that can be programmed with Blockly and Python. The robot comes with color detection and face recognition, real-time video transmissions, and obstacle avoidance.
This robot ships with a SunFounder robot HAT for Raspberry Pi. It has a speaker for text to speech, music and sound effects. You can find out more about it here.