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Science experiments assemble toys, pupils DIY science and technology make small gear belt drive wheel plastic creative

price:USD$20.10
discount 70% in 2018-07-21 to 2018-07-23
price: USD$ 14.07
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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[direct manufacturers, shipping over 99 yuan each] independent packing instructions with independent experiments, experimental cognitive experiment mainly, experimental steps, the expansion of knowledge, test reports, suitable for students to use, training class training, is a set of learning tools, toys and a good one, the science and technology small production not only bring infinite pleasure to the children, but also can improve the cognitive ability of children (4-12 years old, children can make enlightenment scientific exploration)

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