Sell Life Cycle of Butterfly

This kinds of products have the advantages over the traditional dry or soak specimens: more portative, easier to transport, not easy to be broken and can be preserved for long, no poison, no smell. The inside is real living things and it can be seen from outside of every side of the transparent amber blocks, and students can make a full observation to them very easily and safely. So they are good tools for student to learn more about the nature.
Size:164*78*20mm
N.W.380g