Tectonic Model set, Demonstrate plate, plate boundary interactions and the geometry and relative motions of faulting of geologic layers using 3-D manipulative models, Versatile kit contains a Fault Model Set of 5 manipulatives and a Tectonics Sand Layer Model
Replacement Sand, set is a refill of the sand included with the Tectonics model. Set includes one pound each of beige, black, blue, orange and yellow sand
Making Dew Kit, Classroom Pack, Includes: 15 metal cans, 15 metal backed thermometers and a Teacher's Guide for 15 pairs of students. This is to understand how dew and frost are formed and to understand the concepts of condensation, dew point, evaporation, humidity and sublimation