I'm thinking something like this as the base and then draping fabric/flowers/lights around it? We don't need white cedar or anything super fancy. Normal wood is good.
Costalitos de nutela y plátano envueltos en pasta de hojaldre o padta filo, barnizados con yema y horneados
How to make a tiered watermelon cake with fresh fruit decorations. Click the link on the bottom of the post to check out all kinds of watermelon cakes. Great for any summer or outdoor party or a glutenfree diet. From Apron
Picnics Kitchen/Bread Basket
How to Cut Watermelon Into Sticks | The Girl Who Ate Everything