neodymium strong magnet + ferrofluid + fluorescein + UV blacklight + magic sand

描述

Package contents: - 2 neodymium magnets 10mm x 10mm - 10 ml (0,42oz) of ferrofluid - A torch 2 in 1 (normal LED light tube and ultraviolet) - A bag 2g (0.07oz) fluorescein - 200g (7.43 oz) magic sand (black) - 1 instruction manual in english