cardboard tubes + box = hours of fun! We pieced together TP and paper towel tubes. Used marbles. The kiddo loved it and even still pulls it out to roll the marbles into a dump truck. He wont' let me toss any cardboard tubes now.
“World’s Best Bubbles” recipe bubble mix. 1 quarts of water cup light corn syrup 1 cup liquid dish soap Mix water and corn syrup until completely blended. Slowly stir in soap. Will last several weeks in an airtight container.