You can buy Arduino equipment at e-radionica.com. As unique place for learning and shopping electronics, we are first-of-kind in this part of Europe. With our Croduino series of products and a lot of sensors and actuators, you will be able to fulfill your electronics projects. We also offer tutorials and projects example so you do not bother about details - we do it for you! If you still got some problems, we have tech support free for you!