https://www.acehardware.com/departments/home-and-decor/novelty-items/miscellaneous-novelty-items/9104342
Kikkerland Solar Radiometer Glass 1 pk Mfr# ST85 - Ace Hardware
Solar Radiometer. This science fiction gadget spins its pinwheels in sunlight. No batteries needed.Find the SLR RADIOMETER GLS 3X4 at Ace.
kikkerland solarglass 1radiometerpkmfr