Do you want to try your hand at building your own guitar FX, but you're just not sure if you can do it? Then try the 'confidence booster'. What does the Confidence Booster do? It's just a simple linear boost and buffer. But The Confidence Booster kit was designed primarily to introduce first time builders to the basics like: What is a capacitor? What's a resistor? What's an I.C.? What's a transistor? What's a diode? And it gives you a chance to practice soldering before you move on to the real thing. This kit does not come with a case - just circuit board plus components