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× Flying Tourbillon Principle Model kit Dismantling mechanical watch Clockwork powered escapement balance 3D printed DIY STEM Flying Tourbillon Principle Model kit Dismantling mechanical watch Clockwork-powered escapement balance 3D printed DIY STEM toys $36.00
$36.00

Cart totals

Subtotal $36.00
Tax $0.00
Total $36.00 USD

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