Adding to ideas above, here are more on our list: Indoor camping with tent and stovetop/microwave smores, Indoor movie night with lots of blankets & pillows and snacks in living room, Water toys/slip & slide/inflatable pool/water shooters/sprinkler in backyard, Small plastic toys frozen in small bowls of water then chiseled & hammered outside on a hot day to cool off, Bike/scooter/wagon car wash, Picnics, Take scooters and go for a car ride to nearby bike trails, Fishing, Paint & hide rocks for others to find along trails, We just built a Fairy garden village for playtime in backyard flower beds, Bonfire/firepit/smores/glow sticks, My kids made up an Obstacle course challenge using our outdoor toys we have, Freeze dance parties outside with kids far apart