Earth Layer Model with Seismic Wave, shows the connection between inner layers of Earth, spreading of seismic waves in the interior of Earth & Earth's magnetic field, Diameter of the Earth: 226 mm, Scale: 1 mm approx 56.41 km, Dimensions: 387 x 350 x 240 mm3
Fact/folds & Fault Model - 5 Parts, piece model is useful to illustrate important folds and faults found in Earth's crust, Students can understand fold planes, effect of tectonics stress and structural elements of a fault
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