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.
18 Create Your Own Garden Kid’s Playhouse Ideas: 1.Garden Playhouse
15 Amazing Ideas for Greenhouse Designs: 14. Ball Greenhouse #gardenplayhouse