Micro:bit v2 Starter Kit.

Using micro:bit for teaching digital technology and computational thinking, providing more opportunities for learning, exploration, and creativity in the classroom.
Using the sound sensor, you can make the heart-shaped pattern pulse by clapping; speak to the micro:bit and hear it mimic the rhythm of your speech.
The micro:bit has a built-in microphone and speaker, allowing it to detect and produce sound without the need for additional devices.