39.50 EUR | (49.38 EUR incl. vat) |
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Delivery - immediate
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Challenge air pressure.
A very simple but astonishing demonstration!
Place the rubber mat on a flat surface. Moving the mat sideways or taking hold of one corner of it and lifting it up presents no problems. But if you take hold of the handle and lift it straight up, the mat remains where it is.
A force of a couple of thousand Newtons is required to lift the mat.
Dimensions: 30x30 cm.