It can be used on whiteboards

Magnets are not toys

This type of magnet can be used on glass boards

Man kan lave nogle ret fede ting

Power magnet, Blok 20x10x3 mm. Tier1 It can be used onNeodymium magnets Strong NdFeB magnets Length: 2 cm. Width: 1 cm. Height: 0. 3 cm. Strength: approx. 2. 8 kg. Flat and square super magnet with incredible strength. Do not underestimate what 3 kg. in direct pull can do, and 2 magnets against each other in collision can do quite a lot of damage. So watch your fingers and keep magnets at a good distance from each other (min. 10 cm.), if they are not secured in place. SPECIFICATIONS: Strength: approx.