Neuron brick

#LEARNING !
##BE-CAREFULL.
//---BLOCOS DE MONTAR
//--- IMÃS 6X2
//----ATENÇÃO NOS POLOS/SENTIDOS DE MAGNETISMO
//----ATENTION WITH MAGN SIDE

#ATTENTION
```
ADICIONAR PAUSA EM LAYER(͌7,8mm)
ADICIONAR PAUSA EM LAYER(͌13.8mm)
```
!still without manufacture with material.
I'll agree any comment about mistake, or idea.

###REQUEST
(weight(g), comprimento(m))