"kein GELD", neon letters

Every two seconds one letter of the German word "kein" (no) is switched off and changes its meaning.

kein GELD = no money
ein GELD = a money
in GELD = in money
n GELD = some (colloquial) money
GELD = money
kein GELD = no money ...

1998-1999, Kunsthaus Nuremberg
2000, Galerie Grüppe Grün, Bremen
2001, Art and Media Centre Adlershof (KMZA), Berlin
2011, "surviving.art", part of "48 hours Neukölln", Berlin