The kidz labs magnet science set is a nice introduction to magnetism using fun games and experiments to demonstrate the basic scientific principles there are instructions for 10 experiments including how to construct a magnet racer make a yacht compass go magnetic fishing and create a magnetic sculpture and of course you can use your various magnets to make your own fun afterwards develops scientific understandingdimensions 22 x 16 x 6 cm manufacturers recommended age 8 yrs