Salt Crusher - Salt Water Powered Monster Truck

Salt Crusher is a great educational science kit powered by salt water. 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 vertical or horizontal direction. Change the Salt Crushers height and shape and enjoy its unique way of moving.With alternative energy playing such a pivotal role, there is no better time than now to start children on the path to learning basic concepts behind these technologies. NO BATTERIES REQUIRED!