I like that as well:
+ The pencils are amazingly light
+ The grip zones ensure that you hold the pencils correctly
+ Pins, thanks to their triangular shape keep very well in the hand
+ Even after the spikes grip zones are still there
+ The mines keep some and not easily broken
+ HB is simple standard
Only the price is relatively high, convince for the pencils as well. For learning to write, I would recommend it without hesitation, everyone else can I think but also access to the classic (and much cheaper) pencils. A good and sensible idea for the cornet etc.!