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@@ -7,7 +7,6 @@ Learn how to build circuits with sensors and outputs and write a simple programm
 ## You will make:
 
 * A guitar
-* A keyboard
 * A set of drums
 * A pair of maracas
 
@@ -18,11 +17,12 @@ Learn how to build circuits with sensors and outputs and write a simple programm
 * 2 x Arduino Uno boards (with USB cables)
 * 1 x strip potentiometer
 * 2 x tilt sensors
-* 4 x piezo buzzers
+* 4 x piezo buzzers (the type in greetings cards, easy to get from Maplin)
 * 10K resistors
 * Bread boards (1 per instrument)
 * Card
 * Sugru (or some other modelling material)
+* Electrical tape
 
 
 ## Software requirements:
@@ -33,3 +33,55 @@ Learn how to build circuits with sensors and outputs and write a simple programm
 
 ## Drum Kit
 
+### 1. Make your drums
+
+Take your 4 piezo buzzers and attach a ring of Sugru (or other modelling material) as shown in the picture. 
+This will increase the flexibility and resonance of the sensors. Let the sugru set.
+
+
+### 2. Connect the circuit
+
+Piezo buzzers generate a small charges when you tap them, so they don’t need a power source.
+Connect one lead from your buzzer to one of your analogue inputs, and connect the other lead to ground.
+Repeat for each of your drums. It is easiest to use a bread board for making your circuit. 
+Look at the picture for an example.
+
+
+### 3. Set up in Scratch 
+
+Find four different drum sounds (or whatever sounds you'd like your drums to make!). Upload the sounds to Scratch.
+
+
+## Guitar
+
+### 1. Make your guitar
+
+Grab your strip potentiomater, a piece of thin card, and a pencil. 
+Lightly draw round your potentiometer on the card and then use this as a guide to draw out your guitar shape. 
+(The potentiomater will be the fret board of your guitar).
+Cut out and colour in the guitar and stick down the potentiomater.
+Tape a pencil or stick to the back of the guitar to make it stiffen the fret board. 
+
+### 2. Connect the circuit
+
+The strip just adjusts resistance, so you will need to feed it some electricity.
+Run +5V into one of the strip’s outer pins, and ground into the other outer pin.
+It doesn’t matter which way around you connect these, but it will affect which the direction
+the fretboard runs (high and the top, low at the bottom or vice-versa).
+
+Signal will come from the centre pin, so connect that to one of your analogue inputs and you should be good to go.
+
+### 3. Set up in Scratch
+
+
+
+## Maracas
+
+## Pull-down Resistors
+
+You’ll find your analogue inputs receive signal when you don’t expect them to.
+This is because there’s electricty floating around in the system, or something like that.
+
+To fix this, you need to wire each input to ground, through a 10KΩ resistor.
+
+A better explanation can be found [here](http://arduino.cc/en/Tutorial/DigitalPins).