| 7.80 EUR | (9.75 EUR incl. vat) |
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Delivery - immediate
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How close together are the sensory cells in your skin which detect heat and cold?
Cool one of the thermodes in ice water, for example, and heat the other in hot water, then move them along your skin to find the nerve endings for heat and cold in your skin.
Material: Copper, natural cork.
Dimensions: Length 10 cm.
Pack: 2.
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