- Vanes in the Radiometer are alternately dark and light in color
- Vanes transfer heat to each one but not at the same degree
- Lighter vane reflects the rays and the darker vane absorbs the rays
- For ages 8 and above
Shipping and Returns
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- Please check the delivery estimate before adding a product to the cart. This is displayed for every product on the website.
- Available shipping methods and charges will be displayed at the time of checkout, depending on your exact location.
- All customers are entitled to a return window of 14 days, starting from the date of delivery of the product(s).
- Customers are advised to read our return policy for details of the return process, eligibility, refunds as well as cancellations or exchanges.
- In case of any issues or concerns about Shipping or Returns, please contact us and we will be happy to help.