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Newtons Cradle Balance Balls
✔Newtons cradle high quality: use nylon line of good material instead of cheap fishing line. Plastic base and the unique design idea make an impression.
✔The product package is equipped with detailed instructions and illustrations. Please read the details carefully after unpacking, and then install it! If you need any help, please contact us in time.
✔Assembly steps: First, Gently Open packing. Second, Gently Separate Support plastic shell. Third, Alignment installation. Please be patient and careful during the installation process, because excessive force will cause entanglement!
✔Longer swing time - newtons cradle balance balls continue in perpetual motion for 10-20 seconds due to the resistance of the air and friction, It is many methods to pay, such as one balls rise up in one side, then let if fall down, or two, or each 2 side rise up one ball.
✔Newtons balls edutainment -- suitable for children to experience the fun of mechanics in the process of playing this fun gadget.It is also a perf
1 * Newtons Cradle Balance Balls