Here are a few ideas for what you can try in your darkroom.
Click the link for the YouTube video which lasts a bit under 19 minutes.
They include some examples of what you can do in the darkroom with a bit of time, practice and some patience. The video covers basic techniques of contrast, cropping and paper surfaces as well as pre-flash, split grade, toning, split toning, combining negatives into one print, making reflections when none existed in the original negative.
I hope it keeps you out of mischief for a few hours!