Openen van de aftelklok: https://youtu.be/ZVJs5aCVADs
Readme: https://www.bookwidgets.com/play/UK4UYC
. . . . – https://www.bookwidgets.com/play/TK4ZMK
. – – – – https://www.bookwidgets.com/play/LK4UG4
. . . – – https://www.bookwidgets.com/play/WK4XUB
. . – – – https://www.bookwidgets.com/play/LK4UZK