Magnetic Field Demonstration Plate - Large 250 X 250 mm, Comprising Of A Transparent Plate Having A Matrix Of Small Circular Chambers, Each Chamber Containing An Iron Rod And Functioning Independently With As A Plotting Compass
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
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