Acid, actually those types were kinda expensive with double & mic recorder. I used to have fun recording Myself all the time with one long ago
That was some great stuff there PB. I used to have a Pinball Machine just like that.
A great McDonalds Garfield one from 1991!
Here is a 1992 Hardees one that's 30 years old this year
Here is a cool 1995 TRU one...notice the little Asian boy and his Godzilla/Kaiju