The Vintage Ball and Ring Thermal Expansion Demonstration Set is a unique and educational toy that allows users to experience the principles of thermal expansion through hands-on experimentation. Made in India, this set likely features a classic design that showcases the beauty and simplicity of scientific principles. Perfect for collectors or those interested in scientific instruments, this demonstration set is a fascinating addition to any collection of vintage science equipment. We use USPS and FedEx to ship. We use mostly recycled boxes to reduce waste at our landfills.
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