Colored Incandescent Bulbs
$19.99
Contrasting LED bulbs with incandescent bulbs is a great way to show just how inefficient incandescent bulbs can be! Combine this with our Colored LED Bulbs for a great practical lesson
Contrasting LED bulbs with incandescent bulbs is a great way to show just how inefficient incandescent bulbs can be! Combine this with our Colored LED Bulbs for a great practical lesson
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