Electronic Telephone Ringer ( Electronic Ringer )
This ringer plugs into any telephone line socket to give an audible and visual indication of an incoming call.
Related Products
Electronics Kit ( Electronics Set )
Teaches the basics of electrical and electronic circuits Divided into 3 levels of difficulty All parts of this kit are interchangeable A comprehensive starter kit for learning the basics of electrical and electronic circuits. The activities are divided into three levels 1 starter simple circuits made using screw terminal blocks 2 intermediate circuits using transistors and sensors 3 circuits using chips assembled on bread boards to enable the user to change components and design. All systems can be used interchangeably. Note level 2 corresponds to the English national curriculum KS3 and the Scottish standard grade.
Powerball ( 250Hz Power Ball )
Exercise has never been so much fun Non-impact action - safe way to strengthen hands wrists arms and fingers Ideal for golfers musicians tennis and squash players in fact everybody Available with neon lights and electronic counter Code N57CT and a basic trainer CodeN58CT Powerball is the worlds most powerful hand gyroscope generating speeds of over 16000 rpm Simply by starting up the Powerball in your hand and rotating your wrist faster you can develop incredible speeds and increase your strength. Whats more Powerball is seriously addictive for all ages making it ideal for play exercise or fun competitions. Two versions available N57CT - Powerball including lights and 4 function electronic display. Function 1 - Total accumulated revolutions Function 2 - Real time revolutions Function 3 - Highest rpm Function 4 - Phisical strength score N58CT - Basic powerball without display or lights. Be sure to check out the amazing video of the powerball in action at www.maplin.co.uk This video will help you understand why this highly addictive powerball should be part of your life.
Metronome ( Metronome )
An electronic metronome with LED beat indication and a speaker incorporated. The volume and beatsminute are adjustable. Requires an 8 to 15V power supply or a 9V PP3 battery not included.




