Knob Voltmeter Prop real escape room game supplier DIY Factory YOPOOD
$229.00
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Room owners install the knob voltmeter in the suitable place previously. When enter the escape room, players will find a knob voltmeter. After figure out puzzles, players turn all knobs to point correct digits, then the door opens. List: one Knob Voltmeter, one Controller, one 12V Adapter
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