Build movable models powered by the invisible forces of magnetic attraction and repulsion Creates a contactless motion transmission system through the use of magnetic attraction and repulsion forces Learn the basics of magnetism and use them to create controlled magnetic reactions. Stimulates creativity, imagination and intellect Award-winning Geomag range helps children of all ages to develop imagination and curiosity using the science of magnetic constructions Suitable for children aged 7 years and above. Consists of 96 pieces The 96-piece Geomag Mechanics Challange Goal game and construction set contains 15 metal balls and 81 elements. Build your own goal-shooting launcher, take aim and shoot for goal! Once you've constructed your first design, you can challenge your friends and family for a 4 player shoot-out!