Is there a tutorial on a crafting system?

I am looking for some advice or a tutorial on a crafting system.

some thing like a 4x4 grid 32x32 each, drag and drop sprites in grid to craft a new sprite?

Using arrays might be helpful. <img src="{SMILIES_PATH}/icon_e_wink.gif" alt=";)" title="Wink"> https://www.scirra.com/manual/108/array

try these tutorial

https://www.scirra.com/tutorials/1298/snakes-ladders

https://www.scirra.com/tutorials/1090/using-arrays