Waterzak van grondzeil - randen dicht smelten met strijkbout - tuinslang erin en vullen - gaatje dichttapen - klaar!

How to Make a Leak Proof Water Blob (without tape! We did a blob last year. The kids loved it. And it leaked. I looked over how she does it (iron-genius! We added glitter to our water to make it a little more fun.