Specimen of Frog Development

Real Life Science Specimens, Butterfly –
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 intresting insects. Clear enough for microscope observation. Specimens range in size from 2.9 x 1.6″ to 3 x 3.” 1 to 1 1/2″ thickness.