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Watch science come to life! This hand-blown glass radiometer spins using light—no batteries needed. Just place it in sunlight or under a bright lamp and watch the vanes whirl like magic. A perfect mix of fun and fascination, it’s great for curious minds, unique gifts, or adding a cool conversation piece to any desk or shelf. Details: • Spins using light energy (no batteries required) • Hand-blown glass design • Mesmerizing motion for all ages • Great STEM-inspired gift or decor piece • Recommended for ages 14+
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🇺🇸 Ship from USA · On Agora since 2026
$17.00