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® Alloy mechanical bird DIY KITS

Alloy Construction | Mechanical Precision | Build Your Own Feathered Engineering Marvel

$59.99

Color-

red

Quantity

Sustainably made

Secure payments

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Estimated Delivery：Feb-07 - Feb-11

Vendor by: 合作供应商

SKU: -red-A001116237

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Brand：NIKOLATOY
Product Name：NikolaToy™ Alloy mechanical bird DIY KITS
**Size：373145174.5mm / 14.55.57inch
Weight：200g
Material：alloy
Process：Mold sheet metal**

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