A small red cardboard box, with power cable – connected to the mains, coin insertion and button and the inscription “Insert coin and press the button”.
“[…] In general, a […] box is an object whose internal structure and inner workings are unknown or considered to be of no importance. Rather, only the behavior of the […] box, which ensures a certain functionality via defined interfaces, is of interest. […]”Source
!["Insert coin and press the button" box on blue stool, exhibition view.](https://erikseth.de/wp-content/uploads/2023/02/push3.png)