Lootbox loot is not looting

[bakedpotato]

hi
anyway
straight to the point

i need ideas for lootbox loot
the search results were not helpful
like
at all

so
its a mining game
theres a certain chance a minecart with loot appears
i need ideas for what to put in it
cause
it cant be damage ups or better tools or luck or speed
cause thats in the item shop
help please

thanks in advance
(if you coudnt tell im a bit tired lol)
(no more punctuation for me)

[Gaming-Phoenix]

How about special passes to caves/mines that have better and rarer materials that you mine. You could also put materials/cash in the loot box.