Description 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. Features -Color: Black -Material: Plastic,aluminum -Bulb holder size: About 3.0 x 2.0 cm / 1.18 x 0.79 inches -Suitable voltage: 1.5-220V -Suitable current: ≤ 2A -Model: E10 -Value set: The science teaching aids set contain light holders and small bulbs. -Premium material: Made of premium quality plastic materials for safe and long-lasting use. -Easy to use: Screw type binding post of E10 bulb holders for removal and installation of connecting wires quickly. -Develop ability: Improving students' hands-on ability, thinking ability, creativity, and awareness of electricity. -Widely usage: Commonly used old flashlight accessories lamp holders, DIY science equipment in physics teaching, and so on.Package list: 5 x Lamp Holders 5 x Bulbs