The Magical Musical Thing was. But it took some coaxing. I could remember the name was longer and had some rhythm. I was Googling "musical wand" and trying mot to think about it. Then it sort of fell into my head and I Googled MMT and saw the pictures.
With the Merlin, I kept thinking "Simon". I can't remember exactly what I googled but maybe something like "retro handheld electronics red" and saw a picture of it.
I want an MMT now. I remember playing the HELL out of Greensleeves on that.
Score on the Merlin[2] too!
Was that all from memory?
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[1]: http://www.miniorgan.com/lib/view.php?miniorgan=12
[2]: http://en.wikipedia.org/wiki/Merlin_(game)