1) It is easy to assemble without the need for special tools. Infinite combinations are not easy but entirely possible with patience and creativity.
2) A creative toy with magnetic ability which makes it possible to compose hundreds of geometric patterns.
Material : Metal
Color : Gold
Weight : 50g
Size :3 *3 * 3 MM
Each small Ball Diameter: 3 MM
Toys Magnetic Ball Magnetic Sculpture Toys for Intelligence Development and Stress Relief (3MM Set of 216 Balls) - B0769HV96Z