Start tinkering with the Circuit Playground Express: 
I’ve been a gadget person as long as I can remember, so I was delighted when I discovered an Adafruit Circuit Playground Express (CPX) in the swag bag I got at PyConUS in May. I became fascinated with these little devices last year, when Nina Zakharenko highlighted them in her All Things Open presentation, Five Things You Didn’t Know Python Could Do, with Python-powered earrings.
read more: Opensource.com Don Watkins
Supporting Open Source.
Have you tried: Diving with Sharks?