CHILDu0026#39;S DREAM: All kids has a scientistu0026#39;s dream, how should we help our child? Letu0026#39;s start from newtonu0026#39;s cradle balance balls and give the dream to your child

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30-40 SECOND: Balls to move smoothly for up to 40 seconds Can help you explain your child that physical knowledge and Newtonu0026#39;s story, Can help your explore The mysteries of the natural sciencesn with your child toghter

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BLACK WOODEN BASE: the hard wooden base can keep the smooth operation of the newtonu0026#39;s cradle balance balls

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OUR PROMISE: The material of newtonu0026#39;s cradle is metal and wooden, Not plastic. We have a full refund for any quality problems

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