A marker is not included with this set

du bestiller)

you will need approximately 4-6 times extra magnetic strength

This variant has a "warning frame" on it - so there is a guaranteed reaction from your child

This doesn't meen that they are of poor quality - on the contrary

Power magnet, Ring 15x6x6 mm. boardmarker mix A marker is not includedNeodymium magnets Permanent magnets Diameter: 1. 5 cm Height: 0. 6 cm Size of hole: 0. 6 cm. Strength: approx. 5. 1 kg. Very powerful magnets with centre hole. Ideal when you need to screw the magnet into something or put it around a rod. SPECIFICATIONS: Strength: approx. 5,100 gr. Material: NdFeB Magnetisation: N42 Max. temperaturee: 80C Surface: nickel plated (Ni Cu Ni)