"Ramdon Number" from 1 to 6 "抽出" 1 至 6

Nixie Tube Led display number 1 to 6 continuely and quickly. Press control butttom to stop with a number, as if a number is randomly generated. .
數碼管快速顯示 1 至 6，直至控制鍵被按下，效果似抽簽。