HEEBIE JEEBIES Crookes Radiometer 18cm

HEEBIE JEEBIES Crookes Radiometer 18cm

HEEBIE JEEBIES Crookes Radiometer 18cm

HJ-6128
Learn all about thermodynamics with the Crookes Radiometer. When exposed to light or heat, the vanes will spin. Comes in 18cm and 22cm high models and makes for an educational decoration.

Price $49.95
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