The box contains 16 steel spheres, 16 light green, orange, red and light blue magnetic rods, 10 yellow, orange and light green triangular base panels, 8 red and light blue square base panels, 2 yellow pentagonal base panels Take it with you anywhere: the Geomag Green Collection contains a practical box (this too is made of 100% recycled plastic) allowing you to bring your Geomag always with you and to store them very neatly at home The rods, through the magnets positioned on both ends, connect to the spheres, making it possible to play and learn with our magnetic toy constructions. Fun for adults and kids Geomag is a STEM category educational toy, for an interdisciplinary approach to learning; Geomag toys favour the development of hand-eye coordination and improve focus ability