Geomag Mechanics is the construction platform that, in addition to the classic magnetic rods and steel spheres, Geomag Mechanics Gravity Magnetic Race Track has 67 pieces and adds mechanical elements within the constructions, expanding the play activities: some parts of the structures are able to rotate, triggering chain reactions from the magnetic attraction and repulsion. With the innovative Mechanics Gravity platform, the unseen natural forces of gravity and magnetism combine to set the Mechanics models in motion. There are endless possibilities that stimulate creativity and ingenuity. Suits ages 8 years +. Features: Geomag Mechanics is the construction platform that, in addition to the classic magnetic rods and steel spheres, it has 67 pieces in total This Geomag Mechanics Motion Combo Magnetic Starter Set adds mechanical elements within the constructions This expands the play activities: some parts of the structures are able to rotate, triggering chain reactions from the magnetic