32 Fun DIY Backyard Games To Play (for kids & adults!) this has some of the best outdoor ideas I've ever seen. Will be trying ladder bean bag toss and sidewalk/box board game
Big foot I would have each person put on a pool ring and then blind fold each person and have them run down the yard. If they run into each other protected from pool ring
Get those little hands busy with over 50 creative crafts that will help their development and pass some time instead of watching tv or playing gadgets. - Crafts All Over
Bunny Yarn silhouette This would be cute for any holiday, just use an appropriate cookie cutter to trace and cut out the shape, then whatever yarn works best for that holiday!