A: It's difficult to say for sure but approximately 20-30 minutes.
A: White pine
A: The birdhouse is made of white pine.
A: Many different types of birds can use the house, the hole is 1.25 in. in diameter which fits chickadees, bluebirds, nuthatches, warblers, and wrens the best. To hang in a tree use a long wood screw or two to secure it. You can remove the bottom with screws to access the back.
A: Sparrows mostly. Not recommended to hang in a tree as the birdhouse will swing too much. It should be mounted on a pole or fixed in a tree.
A: Phillips screwdriver
A: Phillips head screws were provided in our kits.
A: Neither. It comes with nails