Bulbs 2.5v - 100 PiecesThese 2. 5V screw base bulbs are perfect for teaching electricity, circuits, and light. Designed for use in educational settings, these bulbs are an excellent resource for demonstrating circuit principles and energy transfer. With a pack of 100, they provide ample supply for classroom experiments. Students can construct and test different types of circuits while learning how electricity flows through a system. The bulbs are compatible with lamp