This pin is sturdy and preserves the battery life. Turn the patch on by snapping the front to the back. You can customize this pin with a slogan or design. Some sewing is required.

Materials: 1 infrared LED, 1 3-volt battery, 1 battery holder, 3x3 inch felt square, 3x3 inch stiff felt square, 2 snap pairs, awl or tool with sharp end, needle-nose pliers, conductive thread and regular thread. (See the resources page for retailer suggestions.)

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