The set contains 144 magnetic sticks 104 steel balls and 148 plates that let your imagination run wildThis complete box allows you to build XXL models try futuristic designs and explore the modularity and strength of magnetismMagnets with improved tensile strength to create even more complex models and structures with visible poles to understand the true power of magnetism and construct components that demand the laws of physicsGeomag toys are manufactured according to the strictest quality and safety criteria The manufacturing processes comply with European and American safety regulationsThe multiawardwinning Geomag products help children of all ages imagination and curiosity through the science of magnetic constructions