Lego concentration camp sets. http://users.erols.com/kennrice/lego-kz.htm They're the work of Polish artist Zbigniew Libera, whose other works include "You Can Shave the Baby" and "Universal Penis Expander" among others. For more info on Zbigniew Libera, visit http://csw.art.pl/new/libera/libera_e.html or your local library. It's all in books. BrYan