How to Make a Leak Proof Water Blob

This water blobs is ready to entertain your cute little child for hours. But I know that you may find some problem to make it with the duct tape method. You think that, it take a long time to prepare and   it is very easy to leak.

But my tutorial is little bit different. For the entire thing, I used 6 inches of duct tape. And it has been sitting in our yard for 3 days and without any leaking and it took only about 2 minutes to make it.

The secret ingredient: an iron

You’ll need:
  • Painter’s plastic/plastic sheeting (affiliate link)*4 mil* – any size (I used a 10×25-foot roll, and cut it down to about 10×20)
  • Ironing board and iron
  • Parchment paper
  • Duct tape – optional, for sealing the hole for the hose

At first turn your iron on and set it to it’s highest setting. I think it will be more helpful to lie the iron board flat on the floor so that the weight of the plastic didn’t get any kind of bad issue. And I had to move the iron board instead of moving the plastic.

Now take the plastic and roll out it into  the biggest room of your house. Fold it into half and don’t worry about the edge. It will align as you go.
My set up was look like this>
Start out with a long piece of parchment paper. I tried a piece which is as long as  my ironing board. But it was more easier for me when I cut the paper about 2 feet long.
Now fold it in half and it should be fold length wise. Then draw a line about 2 inches out from the fold.
Star with the plastic which is opposite of its fold, starting at the corner. Now open up your parchment and put the plastic inside of it. aligning it into the fold of the parchment.
Then, fold the parchment back over.
Now slowly and carefully use your iron to melt the plastic together by running the iron across the line of the parchment. Be careful, the iron should not touch the bare plastic. It will make a hole in the plastic and will make a mess all over your iron.
Put the pressure of the iron so firmly. You will not want the plastic to be melt. The plastic is hot and it will stretch. By putting over pressure, it will weaker the plastic.
Less is more. You can always re-melt the plastic it did not completely seal!
Now let it cool for few seconds before removing the parchment. Continue to seal all of the edges. Overlap a few inches to ensure that, there is no holes. After sealing the end opposite of the fold, work from the sealed edge toward the fold. Everything will align perfectly!
Now near the corner, carefully cut a small slit in the folded edge of the plastic.
Put the hose in a few feet and place the corner up so that the water does not spill out while you fill the water blob.
Our blob took at least 30 minutes to fill about 8 inches deep. I added some food color to make the water colorful but it is not very necessary.
Seal off the hole with a piece of duct tape – or use your iron and parchment to melt the edge! I opted for duct tape because I plan on using it again a few times.

Then let the kids go wild! We sprayed a little water on top to splash on, and they loved it!

***DIY source and image credit:

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