found in my junk to fix pile in the basement. can’t resist, must fix.
… and after all that, it works! :
… but sadly underperforms. try fresh batteries; not much better; try slightltly higer volatge with a wall wart, is 4.5~vdc now (3×1.5AA batteries), maybe 6 or 7V will make it chooch better; also, try preperly mixed well-known-to-be-good bullbe, likea re in the small pistoo-style bubble maker on the back deck.











