Staedtler 157 SB12 ergosoft crayon, 3 mm, deployable box with 12 colors (individually, different sets and austerity packages can be selected) (Office supplies & stationery)
These pins are a more rewarding to buy, even if they are significantly more expensive than other pins. The difference you notice when sharpening as they do not break it and can therefore be used longer, unless they are lost :-) Our son likes to paint