40 items
Third consecutive day of rain, the children have exhausted their own ideas, and every suggestion you make is rejected on principle. The trick is that a drawn activity is nobody's suggestion, so there is nothing to argue with, which is worth more than any individual idea on this list. Forty options using materials most homes already have: paper, tape, cushions, flour, a deck of cards. Ages roughly four to eleven, and a good half of them will occupy two children without adult supervision.
All 40 entries that will load into your picker
More from Activities, and a couple from elsewhere