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
Gears, sets offer 40-, 30- and 20-tooth gears with 3/16in bore to accommodate the most popular dowel size, and a 12-tooth gear with a push-fit to 2 mm motor shafts. Three inserts are provided on each sprue, allowing the 3/16in bore to reduce to 3 mm
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
Function generator with external sweep function and power amplifier for use in versatile student and practical experiments covering simple harmonic oscillation, AC electricity and induction. Featuring illuminated, digital display for frequency, signal form
vertically-aligned set LED, easy and dramatic demonstration of the relationship between the color and wavelength of light, spectral range of each LED can be investigated with spectrometer, or just viewed for comparisons with each other
Cube, Individual cubes for density experiments, Available in eight different materials: acrylic, aluminum, brass, copper, nylon, polypropylene, PVC, and steel, Each material is represented by a 1/2inch, 1inch and 11/2inch cube
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