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	Crumble Ultrasonic Distance SensorRequires two connections from A, B, C or D: one to trigger the ultrasonic pulse and one to measure the time for the echo to return. €5.60
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	Crumble Croc Lead – Pack of 12Perfect for making Crumble connections! €4.72
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	Crumble Micro ServoThe SG92R digital micro-servos is recommended for use with the Crumble, in tests it has less buzz and jitter. €9.52Crumble Micro Servo€9.52
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	Crumble Motors with Leads – Pack of 2Ready to connect to your Crumble. €13.20
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	Crumble Switched Battery BoxThe on-board green LED shows when the switch is on. €5.60
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	Crumble ControllerA few ‘croc’ leads and a USB cable are all you need to connect motors, LEDs and sensors and begin experimenting. €19.12Crumble Controller€19.12
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	Plastic Wheels 40mm Pack of 100Strong, durable wheel with a 4mm centre hole. €20.72
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