Natural, real insects are carefully encased in an indestructible, transparent acrylic block. These specimens offer a close-up look at some of nature’s most interesting insects. Clear enough for microscope observation. Set of 4 insects – Devil horse, stick insect, butterfly, and dragonfly. Specimens range in size from 2.9 x 1.6″ to 3 x 3″ to 1 1/2 thickness.