How do you get coffee in viva pinata trouble in paradise

To get coffee you can either go to costolots store and buy an acorn or you can grow an oak tree and wait for the acorns to drop. then all you need to do is push the menu button and select Bart tinkers shop, select the gold tinker to the right of the screen and select your acorn(s) after Bart has tinkered them you should have some lovely coffee awaiting you.