Description:

【Product】: This a scientific teaching instrument for electric bell experiments, ideal for middle school physics and elementary science classes. 
【Material & Size】: Made of durable ABS  and copper enameled wire, physics teaching instrument ensuring and during use.
【Features】: Physics science lab learning features a coil with 150 turns, operates at a working voltage of 4.5V, and has a working current of 1-2A.
【Suitable for 】:Electricity experiment building circuits for kids junior seniors high school students
【Educational】: Electric bell experiment ideal learing tool for kids, student, develop  practical ability. 

Size Chart:

 10.5cmx8cm/4.13inchx3.15inch

Package Includes:

1 Electric Bell Experiment  

Note:

Please allow slightly errors due to manual measurement and different monitors.