Description _x000D_ _x000D_The item is a safe light holders and bulbs kit for electricity teaching. It helps children to consolidate their knowledge in books and gain a deeper understanding of the basic of current. Through setting up simple circuits, easier for your child to learn basic electrical rules and improve students' hands-on ability, thinking ability, creativity, and improvement. _x000D_ _x000D_Features _x000D_ _x000D_-Color: Black _x000D_-Material: Plastic,aluminum _x000D_-Bulb holder size: About 3.0 x 2.0 cm / 1.18 x 0.79 inches _x000D_-Suitable voltage: 1.5-220V _x000D_-Suitable current: ≤ 2A _x000D_-Model: E10 _x000D_-Value set: The science teaching aids set contain light holders and small bulbs. _x000D_-Premium material: Made of premium quality plastic materials for safe and long-lasting use. _x000D_-Easy to use: Screw type binding post of E10 bulb holders for removal and installation of connecting wires quickly. _x000D_-Develop ability: Improving students' hands-on ability, thinking ability, creativity, and awareness of electricity. _x000D_-Widely usage: Commonly used old flashlight accessories lamp holders, DIY science equipment in physics teaching, and so on.Packing list5 x Lamp Holders_x000D_5 x Bulbs