Carry your 13" Apple MacBook Air securely in your bag with this Speck SPK-A4157 shell case, which features durable construction and a thin, snap-on design for lightweight protection and portability.

Protect your 13" Apple MacBook or MacBook Pro with this Thule Gauntlet TMPA-113BLACK attaché case that features a weather-resistant shell for defense against the elements. The interior divider offers space for essentials, including an iPad®.

Calculate your way to the top of the class. Ideal for advanced high-school math and science classes.

When the on-screen action is intense, nothing makes you feel more connected to your game than the feel of a good controller in your hands. With intuitive properties, precision-based controls, dynamic feedback and more, the DualShock 3 controller becomes an extension of your brain, turning your every move into an accurate performance in the game. As an experienced gamer, you know that one little move can mean the difference between victory and defeat, and that becoming immersed in the game can exponentially increase your skill level. The DualShock 3 controller is designed to help you do just that.As the only Bluetooth controller for the PlayStation 3 controller, the DualShock 3 offers gaming freedom that is rare to find — you can comfortably game from almost anywhere in the room, without worrying about messy cables and cords. Intense vibration feedback lets you feel every hit, crash and explosion for an amazingly immersive gameplay experience that puts you closer to the action. Intuitive controls, such as the motion-sensing SIXAXIS technology, fast-action shoulder buttons and precision-control dual analog sticks, help the game respond to your every whim with accuracy. Ergonomically designed grips ensure that you can embark on long-lasting gaming sessions in comfort. Up to seven controllers can wirelessly connect to your PlayStation 3, so you can set off on adventures with your friends. Finally, a controller that truly has it all.