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Product Number: SB48973
Out of Stock
An excellent way to teach and demonstrate static friction on four different textured surfaces. The wooden cube features a very rough, a plain wood, a plain, and a slightly textured surface, and comes with a hook on one side for pulling along an inclined plane or by attaching to a spring scale. Each side is 2 in. WARNING: Choking Hazard. Small Parts. Not for children under 3 yrs.