Birth to 5
Make paper airplanes together. All you need is an 8 1/2 x 11 sheet of paper, crayons or markers. Use the directions on the site linked here, then decorate and have fun flying your planes outdoors.
Clear a space in your garden. Choose any of the cool season veggies (spinach, beets, lettuce, peas, kale, etc.) or herbs (cilantro, dill). Kids with adult supervision, read the package directions and plant appropriately. Hopefully, in less than 2 weeks you should be able to gently pinch off a leaf or two. Roll in between your fingers, breathe in deeply to inhale the scent. Then gently chew the leaf and savor the taste.
Do you have a water squirter, plastic cups, string, and tape? Then it's time to play cup races. Check out how at: https://allfortheboys.com/water-fun-cup-races/