510PCS Magnetic Stones , Colorful Polished Magnet , Pebbles Ferrite Permanent , Irregular Fidget Magnets Strong Lasting Magnetic Force Anti-Corrosion , Adult Stress Relief Toys, Desk Toys, Educational Toys Round Magnetic Rocks, 7*2.5*10 cm

• Strong and Lasting Magnetic Force Crafted From Premium Ferrite Permanent Magnet Material, Each Stone Delivers Powerful And Long-Lasting Magnetic Strength. Easily Attach And Combine To Meet Various Creative Construction Needs, Offering Endless Magnetic Exploration Fun. • Colorful Polished Safe Design Each Magnet Is Finely Polished To A Smooth, Vibrant Finish. The Irregular Shapes With Rounded Edges Ensure Safe Play For Children While Stimulating Visual Development. • Creative Stress Relief and Educational With 510 Pieces For Diverse Configurations, It Serves As Both A Stress Reliever To Ease Anxiety And A Tool To Spark Children's Imagination And Creativity. Building With These Magnets Enhances Spatial Thinking And Hand-Eye Coordination. • Durable Anti-Corrosion Material Specially Treated To Resist Corrosion And Rust, Ensuring Long-Term Durability Without Quality Loss. The Magnetic Strength Remains Consistent Over Time, Making It A Worthwhile Investment In Quality Educational Play. • Portable Complete Set With Storage Easy Organization And Transport. The 510-Piece Set Is Ample For Various Uses At Home, In Schools, Or On The Go.