Solar Radiometer

This classic solar radiometer features a glass bulb containing a set of pinwheels that spin when exposed to sunlight. A fascinating demonstration of light energy in action, it requires no batteries or external power source.

• Spins its pinwheels in direct sunlight, showcasing the power of solar energy
• No batteries needed—works purely on light
• Perfect for educational fun, home decor, or as a unique gift
• Made by Kikkerland Design Inc, known for creative and innovative products