const updateHeaderMetrics = () => { const header = document.getElementById('header'); const rect = header.getBoundingClientRect(); const headerHeight = rect.bottom; document.documentElement.style.setProperty('--header-height', `${headerHeight}px`); }; window.addEventListener('DOMContentLoaded', updateHeaderMetrics); window.addEventListener('resize', updateHeaderMetrics); const header = document.getElementById('header'); const resizeObserver = new ResizeObserver(entries => { for (let entry of entries) { const rect = entry.target.getBoundingClientRect(); const headerHeight = rect.bottom; document.documentElement.style.setProperty('--header-height', `${headerHeight}px`); } }); resizeObserver.observe(header);

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NIKOLATOY® Fighter jet turbojet engine - DIY KIT

NIKOLATOY® Fighter Jet Turbojet Engine: Build-Your-Own DIY KIT

$199.00

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Sustainably made

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Estimated Delivery：Feb-07 - Feb-11

Vendor by: 合作供应商

SKU: --A001116210

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Brand :NikolaToy
Product name :NikolaToy™ Fighter jet turbojet engine
Size :37*14*13 cm / 14.5*5.5 *5 inches
Weight: 670g
Material :PLA
Process: High precision 3D printing technology

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