You just can't beat the loud sound of the knocker solenoid firing when you get extra ball !   Completely controlled by individual games, the knocker solenoid is a more power push/pull solenoid that banhs when fired.

Knocker Solenoid Upgrade



    Retro Play Australia is an independent pinball and arcade manufacturer in Australia. We ship our products world wide. We design and build custom made arcade and virtual pinball machines in Australia.

    Retro Play Australia are the premier manufacturers of custom arcade and pinball machines in Australia offering a unique design and build service.


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    © 2020 RETR0PLAY PTY LTD.  Retro Play is a trading style of Retr0 Play PTY Ltd