Cockroach Museum

Houston natural science Museum holds an exhibition of a cockroach. They buy it for 25 cent to collect cockroaches. It’s about 30 yen. The museum will collects 1,000 Periplaneta Americana. The size is about 5 centimeters, and this cockroach can fly. By this exhibition, they try to improve an image of this cockroach.But I can't catch cockroach.