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Demonstrates conservation of momentum and energy, and elastic and inelastic collisions. Consists of 2 steel balls, 1 glass ball, 1 plumb bob, 1 adjustable aluminum ramp with attached set screw, and instructions.
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.
