Flying Tourbillon Principle Model kit Dismantling mechanical watch Clockwork-powered escapement balance 3D printed DIY STEM toys

Flying Tourbillon Principle Model kit Dismantling mechanical watch Clockwork-powered escapement balance 3D printed DIY STEM toys
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sku: 1005005896992951
$32.20+4%
$33.45
Shipping from: China
   Price history chart & currency exchange rate

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