Local pool, or lake. Do they play toys and imagination games? Bike rides, walks, ect. Painting or play doh outside.
Bake with your kids; cookies are great incentive to behave!
Water the lawn and garden. This can go on for hours.
Collect wildflowers and glue them onto paper for a collage.
Go swimming, or buy a kiddie pool.
Picnics really extend park time.
My 3-year old and I are also going stir crazy, but this has reminded me of some good ideas. Good luck!
swimming pool, zoo, mcdonalds play land
Bikes, sprinkler, walks, sidewalk chalk, bubbles, zoo, arts and crafts, bake cookies, press flowers, plant flowers.
I just asked my 6yr old son what he likes to do for summer and he said."Spray each other with the hose,run threw the sprinklers,go swimming and go to the park".He also loves to do crafts,like finger painting helping me make cookies.I also buy a pizza kit and I let him make one pizza the way he likes it and the other for me and his dad,it usually comes our deformed,but he really enjoys doing activities with us.
Pool lake beach park go on a bike trail and walk with them