Floating Geckos

When we saw the Sour Gummy Geckos in the hardware store, my 7-year-old demanded that we bring them home for experiments. First experiment: when we put one in water, why did it float?

Gummi gecko floating in water

Only when the gummi gecko had absorbed water and expanded could we see the reason it floated: tons of tiny air bubbles.

The bubbles are also probably the reason the candy is opaque, not transparent like most gummies.

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