Salt Crusher is a great educational science kit powered by saltwater. Equipped with four-wheel drive mechanical construction it easily handles different types of terrain by its twisted car body design. The transparent case design allows children to see; the rhythm of the piston in a vertical or horizontal direction. Change the Salt Crusher's height and shape and enjoy its unique way of moving. Features: • Build it yourself! • Salt Water Powered: No Batteries Needed • Product: 3.5 in. H x 4.5 in. L • Box: 7 in. H x 8.27 in. L x 2.75 in. W
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