Discovery wall It's not just a ordinary wall, it's excitement and unpredictable change, throw/bounce/crash, then you will know what hide beneath it
When a ball tracking on The low budget button (Hacking from l.e.d tray of osram) then system will computing to show a different character type.
DISCOVERY WALL can change 3 interfaces for experiment in concept "Target". people who visited a various perception from throwing balls. Every skin play are same because It's from same programing development.