Comparative Hearts oddities This jewelry is unique and

This jewelry is unique and one-of-a-kind

perfect polishing and beguiling gemstones

heat-treated stainless steel blade and comfortable walnut handle: a duo worthy and capable of a lifetime of use

A temperature of 1800 degrees Celsius is required to instantaneously melt sand and form a fulgurite

Produced since 1917

Comparative Hearts oddities This jewelry is unique andFinally. An easy and convenient way to compare hearts! Hearts included: Fish, Amphibian, Reptile, bird, and mammal. It allows you to see in detail the structures of the heart and similarities and differences between different animal types. These specimens are set in transparent lucite resin. It's truly a unique and interesting way to study the inner workings of arguably the most important muscle of any living creature. Plus, they make a great