Enhance your science experiments with the 2.5v / 0.3A mini incandescent bulbs, tailored for middle and primary school students. These small screw bulbs are ideal for constructing simple circuits and conducting electrical experiments. To operate, screw the bulb into a holder, attach to a power source, and see the bulb light up, illustrating the concept of electrical conductivity. These bulbs are excellent for hands-on activities that make learning about electricity engaging and fun. Features -Color:Multi -Material:Glass,alloy -Size:2.00X1.00X1.00cm/0.79X0.39X0.39in -Ideal for classroom use: these mini lamps bulbs are ideal for classroom experiments, helping students understand of electricity and circuits through activities -Safe voltage and current: with a specification of 2.5v and 0.3a, these bulbs are designed to for educational use, reducing the risk of accidents -Sturdy and reliable: made from glass and alloy materials, these bulbs are built to withstand frequent use, ensuring performance in educational settings -Convenient and portable: their compact design makes these bulbs easy to carry and use, making them ideal for both classroom and home experiments -Promotes safe learning: these bulbs are designed to provide environment for electrical experiments, ensuring that students can learn without any safety concerns Package list: miniature screw light bulbs