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
This magnetic My World block set with random blocks contains 120 pieces and is perfect for any body. The set contains all your different types of building blocks made of sturdy plastic. The set is ideal for children and adults who like to create their own worlds and characters.
eBay
Great kitchen accessories. It can be used to hang hand tools, cooking utensils, baskets, etc., to keep the kitchen tidy and orderly. Your good helper. Multifunctional Hooks: The strong magnetic hook has a simple structure and is easy to install and use.
eBay
Self adhesive Magnetic Dots Round Multipole Grade Rubber 50 x 10mm Discs Coins. Velcro Self Adhesive Squares. VELCRO HEAVY DUTY SQUARES. These magnetic squares are built to be a functional addition to your toolkit due to their enduring performance and strong build.
eBay
4.16mm dia x 35.7mm thick Neodymium Clamping Magnet with Hook from the back. The Pot magnet base is 5.2mm tall from the magnetic face of the magnet to the top of it's threaded collar. These magnets are 16mm dia x 35.7mm from the magnetic face of the magnet to the top of the hook.
eBay
When magnetising two Neodymium magnets together, safely slide magnets together to avoid high impacts. These magnets are incredibly strong and never fail to impress. The magnets are coated in four layers of Nickel, Copper and Boron to enhance the lifespan of the magnet and the coating also provides a smooth finish.
eBay
Breaking Strain (approx): 1000kg. Magnet fishing rope can be spliced if required. Thickness: 8mm.
eBay
Discover the incredible strength of these Neodymium magnets, perfect for a wide range of applications. Each magnet is made from premium Neodymium for maximum power and durability. Strong Magnets - Neodymium Magnet - Various Size 2-40mm VERY POWERFUL disc round.
eBay