Description This spring-loaded light bulb holder and base set is designed for students to explore the knowledge of electricity and circuits. The compact and durable design makes it suitable for classroom experiments and hands-on learning. Ideal for young scientists, it helps in understanding the knowledgeof electrical connections and circuit building. Features -Color:Yellow -Material:Plastic, iron -Size:7.60X3.70X2.50cm/2.99X1.45X0.98in -Educational purpose: ideal for students' physics and electrical circuit experiments, enhancing their understanding of basic electrical concepts -Complete set: includes enough small light bulb holder bases, providing necessary components for hands on learning -Childfriendly: designed as children's science experiment materials, fostering an interest in scientific exploration -Adjustable design: features a flexible spring design, making it easy to connect and disconnect circuits -Durable materials: made from plastic and metal materials, ensuring longlasting use and reliability in various experimentsPackage list: 5 x light bulb experiment base