I believe so, on YouTube
One of my pals has a Rolf Harris stylophone from the 70s.
( Monty Boyce, My cheese game is strong, Tue 5 Oct 2010, 18:03, 2 replies, latest was 15 years ago)

ah! My brother had one of those that we mic'ed up
it was great fun, if you like the sound of cats chewing bumble bees
( Citizen Cavy Admires your passion for conformity, Tue 5 Oct 2010, 18:08, Reply)

I've got a Stylophone Beatbox thing
You'd be welcome to have for your daughter.

I was given it one Christmas for reasons beyond me. Never wanted it, never used it.

www.youtube.com/watch?v=EuGUFadY41o
( JeffTheDogFucker Can you dig it?, Tue 5 Oct 2010, 18:13, Reply)

If you're giving it away,
I'll take it! I've been wanting to get my hands on one of these for ages!
(Colonel Santiago Introduced surprised kitty to the world., Tue 5 Oct 2010, 18:48, Reply)

They only cost a tenner.
I'd happily give it to a kid, but I'm not posting it to an adult - unless they can give me some justification as to why they'd expect me to send it to them!
( JeffTheDogFucker Can you dig it?, Tue 5 Oct 2010, 19:34, Reply)