You’ll know a whole lot about ornithology soon enough, friend.A Real TweetBring a little bit of the country to your city dwellings in the form of this charming birch birdhouse ($45), which lures fliers to their natural habitat.Knit WitThey say that if you want something done right, you have to do it yourself. The resulting top from the Wool and the Gang Stripy Coco Mariniere kit ($85) is pretty much perfect.Play It SafeBiking is a great way to get around in a bustling city, but wearing a helmet is essential. You won’t mind at all if it’s a slick Nutcase head protector ($50).Piece OutNot only are puzzles ($95) great stress relievers, they make for lovely art to adorn your walls once you finish them. All you need is special glue ($3) to hold it together.Hang TenYou’ve always been intrigued by surfing. Let Cynthia Rowley for Roxy’s swell gear ($34-$225) inspire you to learn to catch a wave.For more gear for your new pastime, go to ShopTalk.