Features 1、Unique Stone Shape: Made of natural magnetic materials, these heavy duty industrial grade magnets have strong magnetic, allow you to easily grasp and attach to the whiteboard, without leaving stains. 2、Permanent Magnets: We use both permanent and strong magnets to achieve improved performance and repeatable play. You can easily build 3D objects such as Ferris wheel, the magnet will not fall off even if you forcefully rotate it. 3、Multi Functional: Suitable for keychain hardware, garage tool hanger, kitchen utensils organizer. Perfect for placing printed paper, photos, cards on whiteboards, refrigerators, bulletin boards, posters, magnetic maps, calendars, storage cabinets, file cabinets, and so on. 4、Educational Science Toys: These rattlesnake egg magnets can be used as fun toys or tools to showcase magnetism, very suitable for magnetic education and school science projects. Try using them in pairs to achieve cool singing effects. 5、Cool Decoration: Magnetic balls are fascinating and cool gadget. Can be used as innovative, fashionable, and unique office decoration, can also be used as refrigerator stickers. Specification Item Type: Oval Magnet Material: Magnet Model: D43x15mm Magnet Size: Approx. 43x15mm / 1.7x0.6in Package List 10 x Oval Magnet