Best way to store piped white chocolate and not effect the flavor/texture/quality?

I want to make tiaras out of white chocolate for cupcake toppers for my daughters first birthday, but I dont want to do them totally last minute, so I

I want to make tiaras out of white chocolate for cupcake toppers for my daughters first birthday, but I don't want to do them totally last minute, so I was wondering what the best way to store them would be. Freezer, fridge, or on my kitchen counter in my air conditioned house?

or:I want to make tiaras out of white chocolate for cupcake toppers for my daughters first birthday, but I don't want to do them totally last minute, so I was wondering what the best way to store them would be. Freezer, fridge, or on my kitchen counter in my air conditioned house?

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