Create incredible models with Geomag - Mechanics Gravity magnetic constructions. This box contains 169 pieces with which to make a Gravity Engine to bring your constructions to life! Thanks to the weight of the Geomag spheres, the "engine" is activated and sets in motion the mechanisms of the Mechanics constructions, without using electric or battery motors. The box contains: 126 plastic mechanical elements (base of the Gravity system), 11 magnetic bars and 32 metal spheres. Game suitable for children aged 7+