After 2 years of torture by my younger brother who is learning to play e-drum ,they still work and i received them for free as a part of bundle 'alesis dm lite bundle' ,very good.
So pros:
very sturdy,and wont break easily,but still light enough,good feel in the hands,balanced;
Cons:
for e-drum alesis dm lite which is small-it would be better to bundle smaler hornbeam