Escape room prop-Memory flashing box 

Catching the right flashing order of buttons to unlock.
The prop will activated when player press any one of the 10 metal buttons. Then all the buttons will start to flash randomly for certain times. All the buttons will light off when flashing stops. Then adventurers need to press the related buttons in the right flashing sequence. One lock will release if the sequence is correct, or they have to try again.