Magnetic Field Demonstrator - Set Of 4 Plates, Each Plate Is 15.3Cm X 7.6Cm X 0.6Cm - 98 Chambers, 4 Transparent Plates To Demonstrate Magnet Fields, Chamber Containing An Iron Rod And Functioning Effectively As A Plottingcompass, Plates May Be Arranged In Various Ways
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