Not only are these LEGO gummy candies edible, but stackable as well. If you want to cut to the chase and see the instructions, scroll down to the bottom.
Here is what they will look like once you are finished.

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You should be able to make a variety of shapes.
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You should be able to stack them together and make any interest LEGO shape you desire.
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All you will need are the following items: Silicone LEGO mold, Corn Syrup, Gelatine or Jell-O, water and some patience.
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Here is the video with instructions on how to accomplish this awesomely sweet feat of goodness.

If you want to spice it up, add some Vodka. You’ll end up with the best idea for any grown up party.