Description It is a safe light holder for electricity teaching. It helps children to consolidate the knowledge in books and gain a deeper understanding of the basics of current. By setting up simple circuits, it is easier for your child to learn basic electrical rules and improve your child's hands-on ability, thinking ability, creativity, and improvement. Features - Color:Black.- Material:Plastic.- Size:3.00X3.00X1.50cm/1.18X1.18X0.59inch.- Suitable Voltage: 1.5-220V.- Suitable Current: ≤2A.- Base: E10.- Made of premium quality plastic materials for durable and long lasting use.- E10 screw type binding post for removal an installation of connect wires quickly.- The electrical circuit experiment kit is a great gift for students to learn electronic science by building different kinds of models, improving their hands-on ability, thinking ability, creativity, and awareness of electricity.- Fine workmanship and creative appearance ensure its popularity and practicality.- What you get: The science electricity kit contains 5pcs light bulb screw holders.Packing list: 5 x Lamp Holders