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Science experiment vision persistence wonderf...
$0.17 – $0.91
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Homemade level, primary school science experi...
$0.61 – $0.68
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Processing Customized Scientific Experiment D...
$1.51 – $1.60
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Starch and iodine DIY material package, child...
$1.33
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Voice-activated car children's technology han...
$1.18
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Scientific experiment DIY water compass magne...
$0.49 – $0.56
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Primary school students' creative handmade in...
$1.07
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Magic piggy bank DIY technology small product...
$0.33 – $0.34
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New children's technology small production ma...
$0.91
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Science small experiment DIY children's educa...
$0.43 – $2.47
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Scientific experiment DIY shock absorber mode...
$0.38 – $0.45
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STEAM handmade technology small production me...
$1.73
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