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
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try these tutorial
https://www.scirra.com/tutorials/1298/snakes-ladders
https://www.scirra.com/tutorials/1090/using-arrays