*Watermelons take up a lot of space! So, instead of pre-chilling the watermelon, you could make the melon balls, and then put them in a covered glass container and refrigerate or freeze for at least an hour. Then, take them out and add toppings before serving.
**When you refrigerate the coconut milk, the liquid will sink to bottom and the cream will rise to the top. Flip the can over before openeing so you can pour the liquid out into a container to be reserved for another use (like in smoothies). Then, carefully spoon out the creamy part for this recipe. Reserve any leftover cream in a separate container.