Description This item is a safe light holder and bulb kit designed for electricity education. It helps children reinforce their theoretical knowledge and gain a deeper understanding of basic electrical principles. By building simple circuits, children can easily learn fundamental electrical concepts while enhancing their hands-on skills, critical thinking, creativity, and overall comprehension. Features - Color: Black - Material: Plastic, aluminum - Bulb holder size: Approximately 3.0 x 2.0 cm / 1.18 x 0.79 inches - Suitable voltage: 1.5–220V - Suitable current: ≤ 2A - Model: E10 - Set includes: Light holders and small bulbs - High-quality materials: Constructed from durable plastic for long-lasting and safe use - Easy to use: Screw-type binding posts on E10 bulb holders allow quick connection and removal of wires - Skill development: Supports the development of hands-on ability, logical thinking, creativity, and understanding of electrical systems - Wide application: Ideal for use as replacement parts in flashlights, DIY science projects, and physics classroom experiments Package List 5 x Lamp Holders 5 x Bulbs