The bottom screw was a little hard to install, but it doesn't matter, it works. If you can only get the top screw in and the bottom one in partially, the squirrels won't complain. Just keep giving them the corn. Some people said it was hard to get the corn onto the screws of the tractor. If that's a problem, use a swrewdriver on the end of the corn to make a hole. It's not the Tractors fault. It's due to the corn. The squirrels will love it no matter what. It took about a week for the squirrels to use it. I had to leave nuts near by to peak their interest. I love watching the squirrels each day and they love the treats.
Rating: [5 of 5 Stars!]