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nickle free
1 * European-style Double-sided Wall Clock Creative Classic Clocks Monochrome (Black)
Durable Material - Tarp clips made of durable PA material
indicating that the device is working normally
Newtons Cradle Pendulum Balance Ball Physical Experiment Educational Toy Gift Color:White There are no cards insideNewtons Cradle Pendulum Balance Ball Physical Experiment Educational Toy Gift This product demonstrates the principles of Conservation of Energy. It is suitable for children to experience the fun of mechanics in the process of playing this fun tool. Pulling back one or more of the balance balls, then release them, the same number of balls will swing up on the opposite side. Name: Newton Cradle Product Material: ABS Plastic Product Principle: Energy
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