Enlarged 2 times, this cross section of human head to show mouth and nasal passages. Relationship between the windpipe and esophagus can be easily shown. Includes key card
Sun, Earth, Moon Orbital Model, Multiple moving axis to demonstrate daylight, night, seasons and phases of moon, Requires two AA batteries, Light bulb inside sun to demonstrate sun light on moon & earth, Base has the months of the year along with the season
DNA Model, built to a scale of 10cm to 1nm and accurately depicts a 16 base pair section of DNA, phosphatedeoxyribose backbone and the four bases are represented by custom plastic moldings that show the shapes of the molecules in scale, Dimensions: 25in x 9in x 9in
Orbit Small Dna Model Class Kit, Helps students understand DNA, Contains twelve model kits and instructions for guided learning, Students make models of 6 base pairs each that can be joined together to make a molecule of up to 72 base pairs