STEM - Magic Piano
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£5.99
An easy-to-build entertaining project.
A simple piano based on the classic NE555 chip. "Doh-ray-me-far-so-la-tee-doh" - don't expect it to be too tuneful!
Teaches electronic and mechanical construction has opportunities for changing the pitch of the notes.
5-9V supply (battery or phone charger).
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