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Science experiment DIY homemade humidifier technology small production student children handmade physical material package small invention
$1.70
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Science experiment children DIY handmade material pack rainbow rain pearl rain milk animation volcanic eruption color matching
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Science experiment DIY Magdeburg hemisphere experiment children's handmade technology primary production school pressure physics teaching aids
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Science experiment set gift box, primary school students' technology small production, rocket launcher, handmade, cutting-edge of science and educa...
$0.78 – $0.91
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Science experiment DIY walkie-talkie model wireless paging technology small production children's handmade steam material set
$3.99 – $7.07
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Science experiment DIY purple cabbage color-changing children's handmade chemistry technology production science teaching aids material package set
$0.33 – $0.45
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Science experiment DIY Earth's internal structure model Earth's core crust Earth's core Technology small production Children's handmade
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Science experiment DIY indigenous flute sound vibration invention technology small production children's handmade material package set
$0.36 – $0.55
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Science experiment DIY rotating doll circular motion physics student children handmade technology small production material package
$0.52 – $0.70
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Science experiment elevator elevator primary and secondary school students DIY handmade technology small production STEM educational teaching aids,...
$1.37 – $1.46
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Science Experiment Rolling Car Inertia Double-sided Stunt Car Children's Handmade Technology Small, Making Physical Materials, Set
$0.68 – $0.78
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