i think it will be magnet like TZ. is easier.
this is plunger bracket and drive, uses regular hobby servo. bracket to be cnc'd from 3mm sheet plastic.ball is returned with little chutes like a old school coin op billiard table.
sides of maze is 'plastics' in a miniture sense lol
led top lighting mounted on main playfield projecting down onto mini, naturally goes dark so as not distraction.
regards
