This may be a good time to learn an new skill or take up a hobby. There are some ideas below.
Origami - You can learn to make lots of interesting designs using old scraps of paper, or maybe some old notes you no longer need.
Learn to draw - This free resource will give you the basic skills and advanced techniques to improve your current drawing skills.
Cass Art offer some really good art tutorials.
Take up knitting, crocheting or sewing - Get ideas on what you'd like to do and remember there are lots of You Tube videos that can show you new techniques.
Try out bird spotting - The National Trust have put together a guide to help you know what to look and listen for when you're out for a walk, or sitting in your garden.