Quantity   Component name
1 × Peristatic Pump http://www.ebay.co.uk/itm/281573370486
1 × motor controller (generic)
1 × arduino (either nano or mega)
1 × 6mm tubing
10 × servos (38g, 3.8kg-cm) http://www.hobbyking.co.uk/hobbyking/store/__16269__HK15138_Standard_Analog_Servo_38g_4_3kg_0_17s.html