Magnetic Hourglass
Magnetic Hourglass
Regular price
£17.99
Regular price
£20.00
Sale price
£17.99
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This wonderful thing is a glass one-minute timer containing ferrous sand, with a magnet in the base - so each use creates a new flower of stalagmites in the bottom half, as the particles follow the infinite strands of the magnetic field.
Measures 16.5cm high, wooden base 7cm wide.
Collections: All Products, Fascinating & FUNctional!, Fun Stuff, Gadgets, Physics, Sale, Science