2019new Teaching elevator function principle toy DIY Assemble

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  • Complete DIY science educational toy kits set. It needs youself to assemble the parts, you can enjoy the DIY fun at the same time.

  • Great for DIY subject, science education, development of hobbies and interest.

  • Perfect educational toys for kids. help to improve the ability of children, suitable for young people at key stages of brain development.

  • It can be used as a power teaching experiment model.

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