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
Ribs -Human Plastic/12, These models are a realistic replica of the human rib bones on the left side of the body. These plastic rib bones are a great alternative to real bone