Exciting Puzzle Set for Escape Room and Party Game, Countdown Prop game of lasers Programmable Logic Controller With Stepper

Programmable Logic Controller  With Stepper Motor

sensors and magnetic rings

And then the lock opens

the device starts to work

we have three versions of this shout triggered mechanism--

Exciting Puzzle Set for Escape Room and Party Game, Countdown Prop game of lasers Programmable Logic Controller With StepperLockdown Puzzle Maker, Time Ends to Trigger the EM Lock How to use this countdown game prop Power up this escape room puzzle box, the lock will be closed. Press the green button, the screen shows countdown. Press the yellow button to pause the timer, press again to continue the countdown. Press the blue button to increase time. Countdown ends to unlock and press the red button to reset the device. This handmade game prop includes: power adapter,