7866 Magnet Button Durable Magnetic Button Children Experiment Magnet Set || Magnet Toy Sets Round Shaped Magnet Set ( Set of 10 )Description :- The durable magnetic particles are made of ferrite permanent magnet material.Under normal use, the magnetic force has a long storage time.The strong magnetic force is made of ferrite permanent magnet material, which has strong adsorption capacity and is multi-purpose.The magnetic particles can be adsorbed on whiteboards, refrigerators, filing cabinets and other metals. material surfaceDimension :-Volu. Weight (Gm) :- 50Product Weight (Gm) :- 56Ship Weight (Gm) :- 56Length (Cm) :- 20Breadth (Cm) :- 10Height (Cm) :- 1