Your wellbeing during this time is highly important. Due to the amount of time your spending inside, it is vital that you take care of your families mental health, as well as yours. Although it is tempting to just use tablets and TVs to provide entertainment, continuous use of electronics is not good for your brain, I would suggest completing sudokus's or crosswords, as well as reading.
https://lovattspuzzles.com/kids/childrens-online-puzzles/spellbound/ - daily crosswords
Alongside this, healthy eating would also be beneficial, even if it is just a healthy snack once a day. We also need to be exercising both indoors and outdoors (unless the government have adviced otherwise). I have attached some links to exercise websites that will support this.
https://www.youtube.com/user/thebodycoach1 - Joe Wicks is doing a PE lesson ever weekday morning at 9am. If you miss it they are also on his YouTube channel above.
https://www.gonoodle.com/ - lots of online videos that help keep children active inside and also teach mindfulness and meditation
Make sure you are always washing your hands - 30 seconds all over, see the video below showing how you need to wash you hands with soap to make sure you are covering your whole hand. Try to avoid touching your face.