Help online with a citizen science project on Aussie beaches.
On a hot day, why not use your computer or tablet to help clean Australian beaches by participating in a digital citizen science? Yes, it is also child-friendly with the usual parental guidance and may foster a sense of 'you can have fun while also doing good stuff'.
Check it out at https://www.zooniverse.org/projects/theplastictide/the-plastic-tide or if this project is not to your liking, check out any of the other citizen science projects (history, nature, llimate ...) going on at https://www.zooniverse.org/projects. There are usually many active at any given time and some on hold waiting for a new set of data.
How knows, the Snow spotter may have a psychological cooling effect! https://www.zooniverse.org/projects/mozerm/snow-spotter