They have a high magnetic field strength and have a high coercivity (which makes them magnetically stable). Literally 1000s of uses. Usually surprise is an issue--they can jump out of your hands and snap together from a surprising distance before you realize what is happening.
eBay
24/2PCS Neodymium Magnetic Thumbtacks Suction Cup Strong Magnet Push Pin for Refrigerator Whiteboard Kitchen Office Magnets Hook
Aliexpress UK
Neodymium magnets, also known as rare-earth magnets, are incredibly powerful and can pose potential risks if not handled with care. Handle with Caution: Neodymium magnets have a strong magnetic field that can attract or repel objects over a distance.
eBay
Mini Colorful Magentic Pushpins Whiteboard Map Magnet Push Pin Strong Magnet Refrigerator Pushpin Home Office Supplies Wholesale
Aliexpress UK
Material: NdFeB N52. VERY Strong neodymium magnets. and these magnets are magnetized axially giving a north pole on one flat face and a south pole on the opposite face. Our magnets are triple coated nickel-copper-nickel for good corrosion resistance.
eBay
Colorful Magentic Pushpins Strong Magnet Fridge Push Pin Sticker Whiteboard Map Magnet Push Pin Home Office Supplies Wholesale
Aliexpress UK
Neodymium Fishing Magnets – Super Strong Pull Force (6KG to 360KG) for Treasure Hunting & Recovery. ✅Powerful Pulling Force – Available in strengths from6KG up to 360KG to suit all needs. Pull Force: From 6KG up to 360KG.
eBay
D25/D32/D36mm-Heavy Duty Magnets Hooks for Cruise Cabins, Strong Magnets with Hooks for Hanging, Metal Magnetic Grill Hooks Magn
Aliexpress UK
Strong Neodymium Magnets - 2mm to 30mm Round Disc Magnets - N52 Grade. These magnets provide the strongest magnetic force for their size. Choose from a variety of sizes, from small 2mm discs for crafting and DIY projects to larger 30mm discs for more demanding tasks.
eBay
50/1PCS Neodymium Magnetic Thumbtacks Strong Magnet Suction Cup Push Pin For Refrigerator Whiteboard Kitchen Office Magnets Hook
Aliexpress UK
Strongest N52 Magnets - Neodymium Magnet - Various Size 2-40mm VERY POWERFUL disc round You Wont Find STRONGER MAGNETS. N52 Neodymium Magnets. Powerful Neodymium Magnet N52. N52 Neodymium. Magnet Disc.
eBay
No Nail Needed Adhesive Drawer Magnet Cabinet Catches Stopper L-type Ultra Thin Door Strong Magnets Invisible Lock Closet Closer
Aliexpress UK
25x8x2 mm N52 grade neodymium block. Genuine N52 ✔️. Our N52 magnets are widely utilized in various DIY and industrial applications. Material: NdFeB N52. Our strong neodymium magnets are perfect for holding things in place!
eBay
20x10x3 Block Powerful Magnets Strong Magnet With Glue Tape For Fridge, DIY, Building, Scientific, Craft, 20*10*3 20x10x3mm
Aliexpress UK
Usually surprise is an issue--they can jump out of your hands and snap together from a surprising distance before you realize what is happening. They are strong enough that they can fly into each other or to a piece of iron or steel with such velocity that they can break and send sharp 'shrapnel' flying about!
eBay
Stainless Steel Magnetic Tray Tool Parts Storage Magnet Tool Trays Parts Holder With Strong Magnet For Screws Sockets Bolts Pins
Aliexpress UK