A witchs tale, world 1, I need help

Wut am i supposed to do?? I ve finished the gingerbread man and all that, i can't find the bomb, wut am i sposed to do now?

you go through the cave you went in to get the candy cane, but instead of leaving through the exit towards the grape river, go up a bit more till you find some stairs, there's a lot more to do up top there