Magnetic Sticks And Balls Building Set: This 64-Piece Magnetic Sticks Blocks Building Toys Includes 18 Metal Balls, 22 Short Rods, 16 Long Rods, And 8 Bent Rods Inside. Can Be Any Combination Of A Variety Of Shapes, Such As Letters, Numbers, Buildings, Animals, Etc, To Stimulate The Infinite Creativity Of Children Quality And Safety: This Magnetic Bar Toy Is Made Of High-Quality Abs Material, In Line With Safety And Durability Quality Standards, The Blocks Have Grooves On The Surface, Easy To Grip, Not Slippery Gifts For Children: This Magnetic Rod Is A Great Toy To Develop Young Children'S Spatial Imagination By Combining 2D To 3D. It Is Suitable For Playing At Home, Outdoors, School, Etc. It Is Also Suitable As A Gift For Children On Various Holidays Precautions: Pay Attention To The Distinction Between Positive And Negative, Combined With The Iron Ball To Play Can Eliminate Positive And Negative Pole Rejection. When You Feel The Magnetic Force Is Not Strong In The Process Of Assembly, You Can Try To Reverse The Direction.