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CLC004 - Copper Line Circuit - Happy Birthday Candle Card
Whether they are celebrating a 7th or 70th birthday, your special handmade card will surely make any birthday one to remember.The hand drawn candles on the front of the card are illuminated with 7 flickering warm LEDs. They are connected together in parallel with flexible copper tape creating a simple circuit. A 120 Ohm resistor is used in the design to allow a powerful 9V battery to operate the LEDs for many hours.While building, you will learn the basic principles of electricity and simple circuit design. The directions are easy to follow and good for beginners who wish to celebrate a friends special birthday. Use as a fun display to celebrate with family and friends the joy they bring to your life. This card fits perfectly in the provided A7 envelope (5.25" x 7.25"). 9V Battery not included.
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$9.95
CLC004 - Copper Line Circuit - Happy Birthday Candle Card—
$9.95
Description
Whether they are celebrating a 7th or 70th birthday, your special handmade card will surely make any birthday one to remember.The hand drawn candles on the front of the card are illuminated with 7 flickering warm LEDs. They are connected together in parallel with flexible copper tape creating a simple circuit. A 120 Ohm resistor is used in the design to allow a powerful 9V battery to operate the LEDs for many hours.While building, you will learn the basic principles of electricity and simple circuit design. The directions are easy to follow and good for beginners who wish to celebrate a friends special birthday. Use as a fun display to celebrate with family and friends the joy they bring to your life. This card fits perfectly in the provided A7 envelope (5.25" x 7.25"). 9V Battery not included.
Tips
| Related Items |
|
G20097 - Workaholic Alkaline 9V Battery |
Tips
