Scientific Gadgets

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  Scientific Gadgets

  4-in-1 Hand Crank Emergency Generator: Portable Power, COB LED Light & USB Charger – Battery-Free Supercapacitor Design

  $88.00
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  Scientific Gadgets

  DIY Walkie-Talkie Science Kit: 200M Range Educational Wireless Communication Set for Kids 2pcs-set (STEM Learning)

  $59.00
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  Scientific Gadgets

  Handheld Ion Cannon – Realistic Plasma Effect & DIY Pulse Model

  $39.90