You could use regular shoes, but there are some problems with doing this. Water shoes are socially designed to allow the water to drain and the air to circulate. If you use a regular pair of shoes in the water, then the organic matter can build up, and bacteria can begin to grow. This can make shoes smell and damage them.
Water shoes are also designed to be less slippery in wet conditions. Wearing regular shoes can pose a health risk to children. They have more chance to slip on a wet rock when they are wearing a regular pair of sneakers.
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