Marble Races with a cheap pool noodle (occupies the kids for hours.) Did this, but instead of cutting the pool noodle, the marble is small enough to fit inside the full noodle to roll down. Then can use the noodle for other things too!
Make a kid's clubhouse by adding window shades to your kitchen or dining room table. It takes up no extra space and is a fun place for the kids to play.until meal time anyway. Click the pin for the tutorial from Country Living.