Log Bird Feeder - 23 DIY Birdfeeders That Will Fill Your Garden With Birds (my note: I haven't looked at all of these, but at least one is a terrible idea. The window birdfeeder -- birds could fly into the glass and hurt themselves.
Park picnic wine table: It folds up and has a built in handle for carrying. Insert the pointed peg into the ground. Fold the table top over on its wooden hinge. Then, enjoy a nice bottle of wine without concern of where to set your wine bottle or tipping