We are all familiar with the the distinctive shape of the human heart, that wondrous organ at the center of our bodies. In fact, the standard image of the pumping human heart (let alone the simple cartoon version found on valentine's cards) as seen in media, advertising, and pop culture, is so ubiquitous that it's easy to forget that hearts come in a stunning diversity of shapes, sizes, and capacities. This set of classroom-quality comparative heart specimens helps to demonstrate nature's incredible variety while still showing that regardless of the size or species of animals, each heart shares a similar general structure with fascinating variations in the details.
As students pass this sturdy clear acrylic block around the classroom, they'll be able to observe 5 different animal hearts, and make note of differences and similarities between their structures. The block features a carp, frog, snake, pigeon, and rabbit, and each of these species thus serves as a representative for a different class of animal (fish, amphibian, reptile, bird, and mammal, respectively). The block can also be closely examined under microscope or magnifying glass to get a closer look. Excellent for collectors, or for use in the biology or anatomy classroom. Includes a numbered key to help identify specimens, and comes in a sturdy blue display box.
Note: Actual size of block is 6.4in x 3in x 1in
These premium 5mil medical-grade Nitrile Exam Gloves are designed and manufactured for superior comfort and protection.
High-protection, fluid-resistant and anti-static disposable lab coat in size Extra Large.
Box of 100 X-SMALL nitrile exam gloves.
These extra-large, powder-free, 5mil Nitrile Exam Gloves are designed and manufactured for superior comfort and protection.
These ear plugs are made of self adjusting foam that provides a comfortable, low pressure fit and excellent sound filtration.
Durable, anti-fog safety glasses that fit comfortably on any head size.
The Wimshurst Machine is a high quality static machine for student labs.
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
This kit includes several different projects that demonstrate the power of magnets!
Every kid needs one of these spheres!
The Ball of Whacks is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
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