Orbit™ System. Students construct models of carbohydrates, fats, and proteins. Complete instructions are provided for building and comparing the structures of these nutrients.These models aid in understanding digestion and synthesis.

Included are 12 model sets, each comprising 14 carbon, 13 oxygen, 32 hydrogen, and 4 nitrogen atoms and 58 covalent bonds; 30 student instruction sheets; and one teacher’s guide.