Description Designed for experiment, this tiny light bulb can be a great helper for physical and electrical experiment. Made of premium material for long time and durable use. It has a simple design, but very practical in use, giving you a good using experience. Also can be a good gift choice for your friends, they will like it. Features -Color:Transparent Color -Material:Glass, aluminum -Size:2.30X1.00X1.00cm/0.90X0.39X0.39in Voltage: 6V Socket: E10 - Mainly used for electrical experiments in primary schools and secondary schools with good results. - A great tool for learning physics and electrical experiments, as well as science DIY equipment for kids and elementary school students. - Can be equipped with switches, battery boxes, leads, etc. to build small lighting circuits. - It's lightweight and easy to carry, and students can take it outside to play with friends. - Outstanding workmanship, reasonable design, stable and practical, will bring you a good using experience.Package list: 50 x light bulbs Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.